Answer: True
Explanation:
In psychology a social trap can be defined as the group of people which obtain short term individual gain which in the long term leads to the loss of the people.
If people will known the after effects then they will operate with each other in order to avoid the loss of the people as a whole group.
Examples of social trap are over fishing, blackout, overgrazing of the cattles at the places where is already less vegetation.
Hence, the correct answer is True.
If a field population started with 50% standard (YY) plants and 50% yellow-green (yy) plants, how would you expect the frequencies of the two alleles (Y and y) to change in future generations? Base this answer on your conclusion in question 3. Note: Exact frequencies are not needed to answer this question, but in relative terms, what changes, if any, do you expect with allele frequencies.
The future frequencies of Y and y alleles will depend on factors like natural selection, genetic drift, mutation, and migration, leading to dynamic changes in allele frequencies over generations.
Given the initial population with 50% standard (YY) plants and 50% yellow-green (yy) plants, the future frequencies of the two alleles (Y and y) will be influenced by factors such as natural selection, genetic drift, mutation, and migration. Without specific details on these factors, we can make some general predictions based on population genetics principles.
If the standard (YY) plants have a selective advantage in the environment, natural selection may favor their reproduction, leading to an increase in the frequency of the Y allele over generations. Conversely, if the yellow-green (yy) plants possess an advantageous trait, the frequency of the y allele may increase.
Genetic drift, which involves random changes in allele frequencies due to chance events, could also play a role, especially in smaller populations. This might result in fluctuations in allele frequencies over time.
Mutations introduce new alleles into a population. If a mutation occurs favoring one allele over the other, it could impact the overall allele frequencies.
Migration of individuals into or out of the population can introduce new alleles or remove existing ones, influencing the allele frequencies.
In summary, the future frequencies of the Y and y alleles will be dynamic and depend on the interplay of evolutionary forces such as natural selection, genetic drift, mutation, and migration within the population.
B. Eggs are known to contain cholesterol, which is a lipid. Did your experiment results indicate a presence of lipids in the albumin solution? Think about this result and where cholesterol is present in eggs to explain how your results support or reject cholesterol in eggs. How could you test this? Explain the experiment that you would perform to test this.
Answer:
According to the result recorded, there was no cholesterol in the albumin solution. This is probably because the cholesterol is in the egg yolk and not the egg white. In order to get a positive response on the presence of cholesterol in eggs, an egg yolk albumin stock needs to be prepared. So using the same procedure as before and only replacing the egg yolk for the egg white, prepare a 0.5 mL of egg yolk with 4.5 mL distilled water mixture in a test tube. Follow the steps given in the lab manual to check for presence of lipids in this albumin stock. Take a filter paper and add one drop of Sudan III solution onto it, let it dry and then place a drop of the stock prepared and analyze if the color transfer happens.
Hope that answers the question, have a great day!
Cholesterol, a lipid, is found in eggs, specifically the yolk. A simple lipid test, the emulsion test, can be used to detect the presence of lipids like cholesterol in a solution. The presence of lipids in your egg albumin solution would thus support the claim that eggs contain cholesterol.
Explanation:Eggs, particularly the yolk, do contain cholesterol, a lipid component. Cholesterol, the most common steroid, is also a component of the cellular plasma membrane located within the phospholipid bilayer. In your experiment, if you found a presence of lipids in the albumin solution, this could potentially indicate the presence of cholesterol, as cholesterol is a type of lipid.
This can be tested using a simple lipid test experiment. Use an emulsion test where you add ethanol to a sample of your solution, shake it well, then pour it into water. If lipids like cholesterol are present, a milky-white emulsion will form.
The presence of lipid then supports the fact that eggs contain lipid substances such as cholesterol, which is necessary for the proper functioning of the body, despite its often negative perception. This is an essential cell component being an integral part of plasma membranes and important for cell-to-cell communication and transport of materials.
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Vines in tropical rain forests must grow toward large trees before being able to grow toward the sun. To reach a large tree, the most useful kind of growth movement for a tropical vine presumably would be _____. Vines in tropical rain forests must grow toward large trees before being able to grow toward the sun. To reach a large tree, the most useful kind of growth movement for a tropical vine presumably would be _____. the opposite of circadian rhythms negative phototropism negative thigmotropism negative gravitropism
Answer:
The correct answer is the opposite of the positive phototropism.
Explanation:
The vines in the tropical rain forests in the given case would primarily exhibit the growth pattern opposite in the direction of positive phototropism. The response of the plant towards the source of light is termed as the positive phototropism. On the other hand, the phenomenon that results in the growth of the plant in the reverse direction is termed as negative phototropism.
Thus, in the given case, in order to reach a large tree, the vines in the tropical rain forests would primarily show a growth movement, which would be the opposite of positive phototropism.
Why do bacteria produce toxins
Answer:
Microbial toxin. Microbial toxins are toxins produced by micro-organisms, including bacteria and fungi. Microbial toxins promote infection and disease by directly damaging host tissues and by disabling the immune system. Some bacterial toxins, such as Botulinum neurotoxins, are the most potent natural toxins known.
Explanation:
Bacteria produce toxins mainly for survival - by gaining an advantage over other organisms in the competition for resources or as a defence mechanism against threats. These toxins are typically harmful proteins that can impair or even kill other cells, aiding the bacteria's growth and survival.
Explanation:Bacteria are a type of microorganism that can produce materials known as toxins. These toxins are typically proteins that are harmful to other organisms. They do this for several reasons, primarily for survival.
These toxins give bacteria an advantage by helping them compete with other organisms for resources. They can impair or kill other cells, giving the bacteria more room to grow and multiply. Some toxins even directly provide nutrients to the bacteria, enabling them to survive in hostile environments.
Other bacteria produce toxins as a defensive mechanism. For example, when the human body's immune system tries to fight off an invading bacterial infection, some bacteria emit toxins to kill the body's defensive cells, helping the bacteria survive and continue to spread.
So, in summary, bacteria produce toxins mainly for survival by creating an advantage over other organisms or as a defense against threats.
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How far away from the Sun is the asteroid in astronomical units?
The distance of an asteroid from the Sun can be measured in Astronomical Units (AU), which is the average distance between the Earth and the Sun. To find the exact distance, we would need to know the specifics of the asteroid's orbit.
Explanation:The distance of an asteroid from the Sun can vary, depending on its current position within its orbit. The Astronomical Unit (AU) is used as a standard measure of distance in Astronomy. One AU is approximately equal to the average distance between Earth and the Sun, about 93 million miles or 150 million kilometres. To determine how far an asteroid is from the Sun in AU, we would need to know the specifics of its orbit. For instance, if we know the asteroid's semi-major axis (average distance from the Sun), we can say the distance in AU.
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Final answer:
To find the average distance of an asteroid from the Sun in astronomical units, given its orbital period of 8 years, one can apply Kepler's Third Law. This gives us an average distance of approximately 4 AU.
Explanation:
The student asked, "What is the average distance from the Sun (in astronomical units) of an asteroid with an orbital period of 8 years?" To determine this, we can use Kepler's Third Law of Planetary Motion, which states that the square of the orbital period (P) of a planet is directly proportional to the cube of the semi-major axis of its orbit (a), where P is in years and a is in astronomical units (AU). For Earth, P is 1 year and the distance a is 1 AU by definition.
If the asteroid's orbital period is 8 years (P = 8), then we can calculate the semi-major axis (a) of the asteroid's orbit as follows:
P² = a³
8² = a³
64 = a³
a = ∛64
a ≈ 4 AU
Thus, the average distance of the asteroid from the Sun is about 4 AU.
As part of a cancer research project, you have discovered a gene that is mutated in many metastatic tumors. After determining the DNA sequence of this gene, you compare the sequence with those of other genes in the human genome sequence database. Your gene appears to code for an amino acid sequence that resembles sequences found in some serine proteases. Conjecture how your new gene might contribute to the development of highly invasive cancers. Drag the terms on the left to the appropriate blanks on the right to complete the sentences.
Answer:
encouraged
protecting
lower
reduced
higher
promoting
1. Proteases in general and serine proteases specifically are considered tumor-promoting_______ agents because they degrade proteins, especially those in the extracellular matrix. When such proteolysis occurs, cellular invasion and metastasis are__encouraged______ . Consistent with this observation are numerous observations that metastatic tumor cells are associated with ____higher____ than normal amounts of protease expression. Inhibitors of serine proteases are often tested for their anticancer efficacy.
Final answer:
A gene mutated in many metastatic tumors and coding for an amino acid sequence resembling serine proteases can contribute to the development of highly invasive cancers through promoting cell migration and invasion, disrupting signaling pathways, and interfering with apoptosis.
Explanation:
The gene that is mutated in many metastatic tumors and codes for an amino acid sequence resembling serine proteases can contribute to the development of highly invasive cancers through various mechanisms. One possibility is that the mutated gene could produce a protein that promotes cell migration and invasion, leading to the spread of cancer cells to other parts of the body. Additionally, the mutated protein might disrupt normal signaling pathways that regulate cell growth and division, allowing cancer cells to proliferate uncontrollably. Furthermore, the mutated protein could interfere with apoptosis, the process of programmed cell death, which normally helps to eliminate abnormal cells.
During the year the beetles reached carrying capacity, a flood in the region decreased the population to about 77 beetles per hectare. What is the total estimated population of the beetles after this disaster? What percentage of the carrying capacity is the population now?
Answer:
After the flood the total number of beetles = number of beetles per hectare × 115 hectares = 8,855 beetles.
The carrying capacity is 14,600 beetles.
The current percentage of the carrying capacity is 60.6%.
Explanation:
thats the sample answer on Edmentum
Carrying capacity is the number of organisms supported and held by the region without degradation. The total estimated population of the beetles after the flood will be 14,600 beetles and the percentage will be 60.6%.
What is carrying capacity?Carrying capacity is the maximum population reached and sustained by an organism by unfavorable and limited resources like water, food, and habitat.
It is an important factor as the increase in the maximum size of the population can harm and degrade the environment and is determined by the water, food, and space availability.
After the flood, the total number of beetles = number of beetles per hectare (77) × 115 hectares = 8,855 beetles
The carrying capacity will be, 14,600 beetles and the percentage will be,
(8855 ÷ 14600) × 100 = 60.65 %
Therefore, 60.65 % is the carrying capacity percentage of the beetles after the flood.
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Your question is incomplete, but most probably your full question was, that A scientist is studying the population of a particular species of beetle in an ecosystem. The beetles currently have an estimated population of 11,500 individuals on a wildlife preserve of 115 hectares. (One hectare is equal to 2.47 acres of land.)
During the year the beetles reached carrying capacity, a flood in the region decreased the population to about 77 beetles per hectare. What is the total estimated population of the beetles after this disaster? What percentage of the carrying capacity is the population now?
PLZ HELP NOW 50 POINTS 3 QUESTIONS ANSWER ALL QUESTIONS
also sorry i accidentally picked biology i meant English all questions come from this poem
1. What extraordinary power does the narrator attribute to the “wind-bird” in this poem?
Question 1 options:
a)
The ability to tuck its glittering beak in a white wing
b)
To control the winds blowing from the north
c)
To sing while it builds its nest
d)
To summon the clouds from the north
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2. Which excerpt below is an example of a simile?
Question 2 options:
a)
“white clouds…begin to fall into the world below like stars"
b)
“that has turned itself into snow”
c)
“all the singing is in the tops of the trees”
d)
“But his big, round music, after all, is too breathy to last.”
-------------------------------------------------------------------------------------------------------------------
“Like any of us he wants to go to sleep…” is an example of which literary technique?
Question 3 options:
a)
Metonymy
b)
Alliteration
c)
Personification
d)
Imagery
-------------------------------------------------------------------------------------------------------------------
3. What magical events happen from stanzas six through nine of this poem? Be sure to describe the events completely.
It cannot open the file
The iris in the human eye contracts and expands, controlling the amount of light that reaches the retina. What types of muscle control this?
Answer:
smooth muscles.
Explanation:
these involve the action of dilation and contraction, dilation increases the size of the pupil and allows for more light to make it to the retina, while contraction is opposite.
Answer:
Smooth and Involuntary
Explanation:
I've taken the test
What form does carbon take in the atmosphere
Answer:
Carbon Dioxide
In the atmosphere, carbon is attached to oxygen in a gas called carbon dioxide (CO2). Through the process of photosynthesis, carbon dioxide is pulled from the air to produce food made from carbon for plant growth. Carbon moves from plants to animals.
Explanation:
Hope this helps!!!!
Forever friend and helper,
Cammie
Final answer:
Carbon appears in the atmosphere mainly as carbon dioxide (CO2) and methane (CH4), both of which are greenhouse gases and play a critical role in Earth's climate system.
Explanation:
In the atmosphere, carbon primarily exists as carbon dioxide (CO2) and methane (CH4). Carbon dioxide gets released into the atmosphere through various processes, including respiration, decomposition of organic materials, volcanic eruptions, and the burning of fossil fuels and plant matter. Methane, although present in much smaller concentrations, is also significant as it is released mainly through microbial activity in shallow subsurface environments and from deep subsurface organic matter reactions. Both of these gases are 'greenhouse' gases, absorbing thermal radiation and contributing to the greenhouse effect, which is essential for life but is also impacted by human activity.
Which are functions of a mammal’s nervous system? Check all that apply. learning and memory gas exchange movement and coordination information processing blood circulation
Answer:
A C D
Explanation:
i just did it ong
Answer
coordinates movement
receives information about the environment
learn and remember
Explanation:
From a protein assay, you determine that your sample of purified protein contains 3 mg protein/mL. You need to prepare a sample for SDS-PAGE. The final volume of the sample for SDS-PAGE should be 24μL and the final concentration of sample buffer in the SDS-PAGE sample should be 1X. You would like to load a total of 15μg of your purified protein on the gel. Determine the volume of the purified protein, volume of 6X sample buffer, and volume of water needed to prepare a sample for SDS-PAGE (recall final volume should be 24μL).
Answer: 0.12 μL of purified protein, 4 μL of a 6X sample buffer, 19.88 μL of water.
Explanation:
The law of conservation of mass is used to solve this problem. It indicates that mass is neither created nor destroyed, it is only transformed. In a chemical reaction the sum of the mass of the reagents is equal to the sum of the mass of the products. It can be written as:
Concentration 1 x Volume 1 = Concentration 2 x Volume 2
1= initial values
2= final values
The concentration of the protein is 3mg/mL, we need to load a total of
15 μg/mL (0.015 mg/mL), and we know the final volume should be 24μL. So we calculate this as:
3mg/mL x Volume 1 = 0.015 mg/mL x 24 μL
Volume 1 = 0.12 μL.
This means, we should use 0.12 μL of te solution that contains 3 mg of proteins/mL.
The same equation is used to calculate the amount of sample buffer which is 6 times concentrated (6X)
6X x Volume 1 = 1X x 24 μL
Volume 1 = 4 μL,
This means, we should use 4 μL of a 6X sample buffer.
So far we have 0.12 μL of protein + 4 μL of sample buffer. Since the final volume is 24 μL, we must add a quantity of water in order to reach that final volume.
24 μL - 0.12 μL - 4 μL = 19.88 μL of water,
Throughout the reflection, make sure you have a copy of the Student Guide and your data tables Complete the
paragraph by using the drop down menus
in this lab, you determined the relative ages of rock layers using the principles of relative dating The
says that a rock layer found closer to Earth's surface is
Ma rock layer that is deeper in Earth's surface. The
states that intrusions are
the rock layer they cut across. You also determined the absolute ages
of rock layers using al
The data you gathered helped you identify an unknown fossil
Answer: 1st one: Law of superposition
2nd one : younger than
3rd one : principal of cross - cutting relationships
4th one : younger than
5th one : mass spectrometer
Explanation:
i just did the quiz
Answer:Answer: 1st one: Law of superposition
2nd one : younger than
3rd one : principal of cross - cutting relationships
4th one : younger than
5th one : mass spectrometer
Explanation:
If Avery had observed transformation using only the extracts containing degraded DNA, degraded RNA, and degraded protein, but NOT the extract containing degraded polysaccharides, he would have concluded that _______. View Available Hint(s) If Avery had observed transformation using only the extracts containing degraded DNA, degraded RNA, and degraded protein, but NOT the extract containing degraded polysaccharides, he would have concluded that _______. polysaccharides are the genetic material RNA is the genetic material the preparations were contaminated mice with diets rich in polysaccharides are resistant to bacterial infection
Answer:
polysaccharides are the genetic material
Explanation:
It can be concluded that through multiple experiments, such as those of Griffith and Avery, the first one observed the transformation when a destructive bacterial gene is transferred to a harmless one, it will modify it, the second one shows that DNA is not the only responsible for make this change happen, since I experiment with multiple substances, including degraded polysaccharides, finding that the latter were the ones that generated the change.
4) The biodiversity in an area is
A) generally unimportant to biogeography
B) the number of different kinds of organisms present
C) a measure of how inbred are the genes of any species
D) usually unrelated to the overall health of the natural environmen
Answer:
B) the number of different kinds of organisms present
The biodiversity in an area is the variety of life, including the number of organism species and their relative abundance. Ecologists measure biodiversity and recognize its importance for human survival and ecosystem health. Biodiversity also encompasses genetic and ecosystem diversity.
The biodiversity in an area refers to the number of different kinds of organisms present (option B). More specifically, it is the variety of life and its processes, including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur. Biodiversity is crucial as it affects the survival and well-being of human populations. It impacts our health, our ability to produce food through agriculture, and maintain functional ecosystems.
Traditionally, ecologists measure biodiversity by considering the number of species and their relative abundance in a particular area. This area could be as small as a local habitat or as large as the entire biosphere. Species richness is a term describing the number of species in a habitat and can vary globally, often higher near the equator and lower near the poles. Factors such as island size and distance from the mainland, as per island biogeography studies, also influence species richness.
Biologists are expanding measures of biodiversity to include genetic diversity and ecosystem diversity, which help in focusing conservation efforts to preserve vital elements of biodiversity. Genetic diversity is the variety of genes within a population, and it is essential for a species' adaptation to environmental changes and new diseases. Ecosystem diversity refers to the variety of ecosystems in an area, with the loss of an ecosystem leading to the loss of species interactions and biological productivity.
Bio questions about Biotechnology.
6. What benefits does the muscular system provide, other than just helping you to move?
The muscular system helps in maintaining posture, regulating body temperature, aiding circulation and supporting involuntary movements like heartbeats and digestive processes.
One significant benefit is maintaining posture and body position, as muscles continuously adjust to keep our trunk erect whether we are sitting or standing. Additionally, muscles play a vital role in regulating body temperature through the generation of heat during muscle contractions. Another important function involves aiding in circulation, particularly through the contraction of cardiac muscles which pump blood throughout the body. Lastly, muscles are involved in various involuntary functions like the heartbeat in the circulatory system and peristaltic waves in the digestive system.
hypothesis if plants are grown in soil containing worms then........
Because.......
Answer:
If plants are grown in soil containing worms, then the plants will grow faster
Explanation:
because worms dig tunnels in the ground. These tunnels create a path for air which is beneficial for the plant. Also, worms create nutrient rich fertilizer for the plant
Worms are considered the good friends of the farmers because worms increase the fertility of the soil due to which there is an increase in crop production. Hence plants grown in soil containing worms will have higher faster growth.
Why worms are good for the soil?As discussed above worms are friends of the farmers because they are decomposers, worms convert the dead and decaying material into humus which is rich in organic and inorganic nutrients.
These organic and inorganic nutrients are absorbed by the plants through the roots by the soil which are essential for good growth and proper development.
High growth in the plants results in a high yield of crops and foods, vegetables, etc.
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5. A species that has a high rate of long-distance dispersal is more likely to colonize new habitat. But that species may also be less likely to adapt to local conditions, because migration will be stronger than local selection pressures for many loci. In light of those considerations, when do you expect that increasing dispersal might result in the evolution of a larger geographic range, and when might it not?
Answer:
When migrating, the species must adapt to the new arrival sites and each place will have different conditions and special requirements to mate.
On the other hand, if the geographical area is the one that changes, the species will also undergo changes, when the species has long-distance migrations, the final result will not have significant variation, because there are no accumulations of place of variation, so when these changes occur evolution occurs and the most successful species have the best adaptations
Increased dispersal facilitates the expansion of a species' geographic range but may hinder adaptation to local conditions. Species with strong dispersal mechanisms, such as dandelion seeds or mobile animals, are more likely to spread and occupy new areas. Human activities can further influence species dispersal by creating new pathways for colonization or by causing habitat fragmentation.
A species with a high rate of long-distance dispersal is more likely to colonize new habitats, which can lead to an expanded geographic range. However, if migration is stronger than local selection pressures, the species may be less adaptable to local conditions. Increasing dispersal assists in the evolution of a larger geographic range when environments across this range are somewhat similar or when adaptation to highly specific local conditions is less critical for survival. Conversely, in cases where local adaptation is crucial and environments are highly variable, high dispersal rates may not necessarily lead to range expansion, as these species may not well adapt to the wide variety of conditions.
Species with poor dispersal abilities may be at risk of extinction if they cannot move to more suitable habitats when faced with environmental changes. On the other hand, species with greater dispersal mechanisms, like dandelion seeds or mobile animals, are better equipped to spread and occupy new areas, potentially leading to speciation if gene flow is interrupted. This process is affected further by human activities that facilitate the spread of species, either deliberately, like in the case of aquaculture, or inadvertently, through global commerce and recreation.
Finally, the impact of management practices on habitat fragmentation and the ability of species to migrate between habitats must be considered from an organismal perspective. Landscape fragmentation poses significant barriers to species with limited dispersal capabilities, whereas species with higher dispersal abilities may be able to overcome these challenges more successfully.
You are hired as a consultant for a new venture: pet-squirrel breeding! Because customers prefer bushy tails on their pet squirrels, you are asked to help produce bushy-tailed squirrels from a local population as quickly and efficiently as possible. Of course, you know that bushy tails are a quantitative genetic trait in squirrels. What information would you need to obtain in order to accomplish this task
Answer:
I would primarily need to know about the narrow-sense heritability of the trait for the local squirrel population. Where the gene for bushy tails lie, whether it is a dominant trait or a recessive one. This mainly has to do with what fraction of variance in phenotype can be as a result of additive effects of gene. Once this information is known, I could breed pet-squirrels with bushy tails or even any other desirable trait requested for.
Explanation:
Hope that answers the question, have a great day!
To achieve the goal of breeding bushy-tailed squirrels, reliable data on desired traits, genetic variation, and recombination techniques are crucial.
Parents Selection: To achieve the goal of breeding bushy-tailed squirrels, you would need to ensure that the desired trait for bushy tails is present in the selected parent squirrels. Reliable data on the traits, such as tail bushiness, must be collected for effective breeding.
Genetic Variation: Successful selective breeding relies on the presence of different versions of the bushy tail trait within the local squirrel population. Phenotypic variation attributed to genetic factors is crucial for the breeding process.
Recombination and Trait Expressions: Understanding how genetic recombination can lead to the expression of the bushy tail trait is essential. By selectively breeding squirrels with the desired trait, over generations, you can achieve a population with distinct bushy tails.
Identify the mechanism discussed below.
Answer:
Sorry, I don't see what your question is about.
Answer:
1) gene flow
2) natural selection
3) mutation
4) genetic drift
Explanation:
just did it!!
any organism that has a circulatory system is a. colonial organism, b. single-celled organism, c. parasite, d. multicellular organism
Answer: D. Multicellular organism
Explanation:
Multicellular organisms have developed transport and circulatory systems to deliver oxygen and food
to cells.
Hope this helps!
An organism that has a circulatory system is a multicellular organism. The circulatory system is essential for multicellular organisms as it aids in nutrient transport, oxygen delivery, and waste removal throughout the body. Contrastingly, single-celled organisms do not have a circulatory system as they directly exchange substances with their environment.
Explanation:An organism that has a circulatory system is a multicellular organism (option d). The circulatory system is crucial for multicellular organisms as it aids in the transportation of nutrients, oxygen, and waste products throughout the body. Single-celled organisms do not require a circulatory system as they directly obtain nutrients from and excrete waste into their environment. Complex multicellular organisms like humans, on the other hand, need a circulatory system to transport nutrients to and waste from trillions of cells.
Let's take a simple example, animals consisting of a single cell layer such as the sponge or only a few cell layers such as the jellyfish do not have a circulatory system. Instead, gases, nutrients, and wastes are exchanged by the process called diffusion.
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The Finches have different shapes of beaks. Why?
Answer:
Yes, finches have different shaped beaks.
Explanation:
As the finch grows and develops, the bird gets a sense for different and more unique tastes, which causes them to eat different things. As they eat those newer things, the beak develops into the type of beak that certain finch needs for what hes eating. (Example: if the certain finch likes to eat seed and berries, he'd probably have a sharp, long, pointy beak in order to dig up seeds or helps get them off the ground.)
Finches have different shapes of beaks for they adapted to their environment. By definition of the Evolution, established by Charles Darwin, he states that 'animals (in this case Finches,) will either: 1) produce more than is enough in the hopes that some will survive, 2) Adapt to their surroundings, or 3) Create changes (or positive & negative mutations) to try to survive. These examples were found during his trip in Galapagos Island, where he observed that in different parts of the island, bird beaks have transformed. Places with hard-exterior nut shells, generally saw to that the bird beaks were shorter, but stronger and larger. Places softer food, saw the bird beaks being longer, but smaller in size. Essentially, the Finches beaks have different shapes, to adapt their "tool" (their beaks) to their surrounding. A very poor (but what can work) example of how this works in human standard, is like having different tools for one job. While only having one tool may be able to help solve most problems, having different amounts would be great in solving problems with ease.
However, it is important to note that Darwin's Theory has it's own fair share of problems. It is a theory, in the end, not a law. There are times where species are seen to evolve when placed in different situations, but afterwards, when placed back into their natural location, to failed to keep the "adaptation". Traits that are created are not random (as suggested by Darwin's Theory), in which they keep what helps them survive, but they generally go through generations of trials and errors, meaning that every step of a mutation is a trial of adaptation to what is survival. There is no randomness in the world when it comes to survival, only the will to survive.
Louisa is playing pool with a friend from school. She strikes the cue ball and watches as it travels across the table and impacts another pool ball. What happens to the energy as one pool ball strikes another?
Some energy is transferred to the other ball, and some energy is released as sound.
Some energy is transferred to the felt on the table, and some energy changes to thermal energy.
Some energy is transferred to the other ball, and some energy is destroyed.
Some energy increases as the electrons in one ball collide with the electrons in the other ball.
Answer:
Option A
Explanation:
As we all know, energy can never be created . Also it can never be destroyed. However, it can only be changed from one form to the other. In this case, when a pool ball is striked by a stick, the kinetic energy of stick is transferred to the ball along with release of sound. Sound is just another form of energy.
Now, when this ball strikes other balls, the same process is repeated i.e the ball strikes another ball and passes on its kinetic energy along with release of sound energy. Every time sound is released, the amount of kinetic energy transferring from one body to other reduces.
Option A is correct
Stoping
Blocks of rocks falling into
magma
Emplacing
Small intrusive bodies
Laccoliths
Magma injected into older
rock
Stocks
Large, dome-shaped
Intrusive bodies
Answer:
Stoping is blocks of rocks falling into magma.
Explanation:
Stoping is a process whereby surronding bedrocks falls and are broken up and passes through the upward movement of magma.
Answer:
BELOW :)
Explanation:
STOPING is BLOCKS OF ROCKS falling into MAGMA.
STOCKS is SMALL INTRUSIVE BODIES.
EMPLACING is MAGMA INJECTED INTO OLDER ROCK.
LACCOLITHS is LARGE, DOME-SHAPED INTRUSIVE BODIES.
Hopefully, this helps :)
n the fruit fly, Drosophila melanogaster, a spineless (no wing bristles) female fly is mated to a male that is claret (dark eyes) and hairless (no thoracic bristles). Phenotypically wild-type F1 female progeny were mated to fully homozygous (mutant) males, and the following progeny (1000 total) were observed. Phenotypes Number Observed spineless 441 wild 27 claret, spineless 31 claret 1 claret, hairless 430 hairless, claret, spineless 32 hairless 38 hairless, spineless 0 Which gene is in the middle?
Answer:
Gene h is in the middle.
Explanation:
Phenotype: represented by
spineless: s
hairless: h
claret: c
wild type: +
s + + (parental) + c + (DxO double crossover)
+ c h s + h
s + s +
+ c + c
+ h h + so the one that differs in position is in the middle, and hence, the answer is gene h (hairless)
Hope that answers the question, have a great day!
Imagine you do a version of the Beadle-Tatum experiment in which you attempt to test the one-gene, one-enzyme hypothesis, but using the pathway of synthesis of amino acid Q from X (below). The reactions, in order, are catalyzed by enzymes E1-E5. X is always present in cells, and cells need Q to grow. pathway You identify a mutant strain that doesn't grow in normal medium, but does grow in medium supplemented with Q, indicating that it has a defect in one or more enzymes in this pathway. This strain is also able to grow if you supplement the medium with Y. Which enzymes can you say with certainty are still functional (i.e. not disrupted by the mutation)
Answer:
They would be the enzymes that assimilate the presence of Q to generate a metabolism that encourages growth.
And also those that are X-forming, which is what is always present in cells.
Explanation:
Therefore, all the enzymes that assimilate the amino acid Q continue to function.
In simple words, in this situation, amino acid Q went from being a non-essential amino acid (because it was manufactured in-house) to being an essential amino acid (which, if or if, must be administered by the medium due to lack of own production in order to generate growth) .
Explaining the causes of ocean currents What factor causes surface ocean currents
41. The part of the neuron that directs electrical impulses away from the cell body is the?
Dendrite or axon?
Answer:
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54:04
Which statement best explains why water is essential for all living things?
Water makes up 65% of human beings.
Water is an essential component of blood
Water covers 75% of Earth's surface.
Water is necessary for cellular functions
Answer:
D. Water is necessary for cellular functions.
Explanation:
The question was 'Which statement best explains why water is essential for all living things', not humans or the Earth specifically.
Answer: the answer is .D , Water is necessary for cellular functions.
Explanation:
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