Answer:
The bees fly from flower to flower in search of nectar, which they transform into food, which benefits these insects.
On the other hand, whenever the bees are placed on a flower, particles of pollen adhere to their body; Such particles are transported to other flowers, resulting in plant pollination.
Explanation:
Mutualism is based on a version of the labor theory of value which it uses as its basis for determining economic value. According to mutualist theory, when a worker sells the product of their labor, they ought to receive money, goods, or services in exchange that are equal in economic value, embodying "the amount of labor necessary to produce an article of exactly similar and equal utility"
True or false: Bacterial endospores are reproductive structures.
Bacterial endospores are not reproductive structures. They are a form of dormant stage used by some bacteria to survive in harsh conditions. They can revert to a functioning bacterium when conditions improve.
Explanation:False, bacterial endospores are not reproductive structures. Rather, they are a type of dormant stage used by certain bacteria to survive in harsh conditions when nutrients are scarce. Unlike reproductive structures, endospores do not give rise to new organisms under normal conditions but can develop into a fully functioning bacterium when conditions improve. For instance, bacterial species such as Clostridium and Bacillus can form endospores.
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A virus can reproduce only inside a cell. Once inside, the virus causes the cell to make many new copies of the virus. In an animal, which part of the cell is responsible for keeping viruses out? * 1. Cell membrane 2. Nucleus 3. Vacuole 4. Cell Wall
Answer:
Cell membrane
Explanation:
The cell membrane is selective, allowing only certain things in. A virus "tricks" the cell into letting it in by binding to cell membrane receptors and producing a false key that opens the membrane to let the virus in
How do whales survive?
Answer:
they have a skin of blubber that helps them survive.
Explanation:
Viruses cause disease by destroying _____ and by disrupting the body's natural homeostasis.
A. cells
B. influenza
C. tissues
D. organs
The answer is A, cells, as viruses infiltrate cells, make copies of themselves in them, and then lyse the cell and spread.
Which level of ecological organization is referenced in this statement: In the clear water around the coral reef, clownfish could be seen swimming among the stinging tentacles of the sea anemone.?
A. Organism
B. Ecosystem
C. Community
D. Population
B. Ecosystem
Explanation:
An ecosystem is a community along with its abiotic (non-living) components, such as the water and air.
Therefore the answer is ecosystem
Hope that helped! Comment down below or message me if you any further questions! Good luck!
List 2 ways prays can avoid predators
Answer: Prey can avoid predators by minimizing their movement and their presence.
Explanation:
Prey minimize their presence and avoid predators by staying silent, staying in their refuge, and reduce their overall activity levels.
what are two different things that bind the two different ends of a tRNA molecule __________and___________
Answer: Anticodon and acceptor stem.
Explanation:
At one end of the L lies the anticodon; at the other is the acceptor stem. The L-shaped structure simply amplifies the two active ends of tRNA: the anticodon and the acceptor stem.
Anticodon and amino acid acceptor site are two different things that bind the two different ends of a tRNA molecule.
What are anticodons?Anticodons are sequences of three nucleotides in transfer RNA (tRNA) that are complementary to a specific codon in messenger RNA (mRNA). During protein synthesis, the anticodon pairs with a codon on the mRNA, thereby determining the amino acid that will be added to the growing protein chain.
The anticodon plays a critical role in ensuring that the correct amino acid is incorporated into the protein, and its proper pairing with the codon is crucial for the proper folding and function of the resulting protein. Anticodons are essential components of the translation process and are therefore important for the proper functioning of cells and organisms.
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in the situation show below, what is the wet-bulb depression? 0.0°C 4.0°C 22.0°C 26.0°C
Answer: B
Explanation:
Wet bulb depression occurs by obtaining the difference between the wet bulb temperature and the dry bulb temperature.
26.0°C – 22.0°C = 4.0°C
Answer:
The answer is B.
Explanation:
Some people have freckles, and some people do not have freckles. If a child has freckles, at least one parent has freckles.
However, the child may have a sibling that does not have freckles. Which statement best describes the presence of freckles?
Freckles are not determined by DNA.
There are two alleles for freckles.
There is no dominant allele for freckles.
Freckles are determined by two genes instead of by one.
Answer:
B) There are two alleles for freckles.
Explanation:
It's right on Edge 2020
B. The statement that best describes the presence of freckles is there are two alleles for freckles.
What are freckles?
Freckles are extra patches of coloring or pigment under the skin often called ephelides.
If some people have freckles, and some people do not have freckles and If a child has freckles, at least one parent has freckles.
Thus, the statement that best describes the presence of freckles is there are two alleles for freckles.
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Choose a career option in marine science and do some online research to determine:
what a person with that job actually does all-day
the education required for that position
the starting salary range
the skills needed (such as technological skills)
Answer:
Ocean Engineering what they do all day? It's a multidisciplinary engineering field aimed at solving engineering problems related to the ocean environment, where engineers help oceanographers wisely explore the many vast oceans. They design and build structures, equipment and instruments that help advance marine science.
Explanation:did that help
It's a multidisciplinary engineering field aimed at solving engineering problems related to the ocean environment, where engineers help oceanographers wisely explore the many vast oceans. They design and build structures, equipment and instruments that help advance marine science.
which planet is an inner planet and which is an outer planet
Answer:
Inner planets: Mercury, Venus, Earth, Mars
Outer planets: Jupiter, Saturn, Uranus, Neptune
Explanation:
Inner planets are planets who have an orbit that is within the asteroid belt, they are closer to the sun. Theses include Mercury, Venus, Earth, and Mars. Outer planets are planets are the gas giants, they are called gas giants because they are mainly made up of gas and liquid. These include Jupiter, Saturn, Uranus, and Neptune.
Answer:
Inner planet :-
mercuryVenusearthmarsouter planet :-
JupiterSaturnUranus NeptuneExplanation:
inner planet is made up from rock
outer planet is made up from gases
all outer planet have it own ring but only Saturn ring can be seen
well if you has any questions about astronomy you can ask me :)
A forest has many trees and bushes that produce nuts. This is a major food source for many species, including a particular bird. Birds of this species have a variety in beak shapes ranging from long and pointy to short and hard. The birds with short and hard beaks are able to eat the nuts better than the birds with long and pointy beaks. What do you expect to happen to this population of birds over time, in terms of what you know about evolution? Address all four principles of natural selection in your explanation.
Answer: There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection. After a while the birds will get old and their beaks will get weaker, eventually they will die, when there is a shortage of food they will start harming each other in order for it, that’s selection.
Birds with short, hard beaks can eat nuts more efficiently than birds with long, pointy beaks.
The following would happen to a population of birds with short and hard beaks over time:
The rivalry( more birds than food)Birds with short beaks are more likely to survive.Birds with short beaks live longer lives and reproduce more.What is evolution?Evolution in biology is the change in a species' characteristics over several generations that is based on natural selection.
What is natural selection?Natural selection theory states that individuals who are less adapted to their environment are eliminated and those who are better adapted are selected by nature.
Principles of natural selection4 principles of natural selection are as follows:
Variation:
Individuals in all species differ in their genetic makeup, resulting in many variations in their physical features.Individuals within a population differ from one another.Inheritance:
Individuals pass on some of their genetic material to their children, and parents pass on their characteristics to their children.Selection:
Some people have inherited traits (genes) that enable them to live longer or have more children. These offspring are more likely to survive and have children of their own. As a result, their genes spread throughout the population; some variants reproduce more than others.Time:
The selection causes changes in species over time. These modifications may take days, decades, or millions of years to take effect; successful variations accumulate over time.Thus, we can conclude that the 4 principles of natural selection are variation, inheritance, selection, and time and birds with short and hard beaks will compete against each other and the most suitable will survive.
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What is the definition of Convection?
Question 1 options:
When heat transfers through waves.
A hot liquid or air that expands, becomes less dense, and rises or becomes more dense and sinks.
When heat transfers from objects that are touching
Heat traveling from the sun.
What kind of heat transfer happens when the sun is heating your body?
Question 2 options:
Conduction
Convection
Radiation
Density
Which of the following is an example of convection?
Question 3 options:
A hair dryer drying your hair.
When a car engine turns hot after being turned on.
When the AC or heater changes the temperature
When you are making soup and the water is rising and lowering.
Walking on the warm sand with your bare feet demonstrates this type of heat transfer.
Question 4 options:
conduction
radiation
convection
What heat transfer happnes when you burn your hand by touching a fire.
Question 5 options:
Radiation
Conduction
What heat transfer happnes when you burn your hand by touching a fire.
Question 5 options:
Radiation
Conduction
Convection
Near the ceiling of the room the air is warmer. The warm air rises because of
Question 6 options:
Conduction
radiation
convection
Answer:
1. A hot liquid or air that expands, becomes less dense, and rises or becomes more dense and sinks.
2. Radiation
3. When you are making soup and the water is rising and lowering.
4. conduction
5. Conduction
6. convection
Explanation:
1. Convection is one of the three methods of heat transfer involving the transfer of heat by the rise and fall of a fluid (liquid and gas) caused by difference in temperature. Based on this, a hot liquid or air that expands, becomes less dense, and rises or becomes more dense and sinks is a perfect definition of convection.
2. Another method of heat transfer called RADIATION involves the transfer of heat between surfaces without a contact between them. The sun heating the human body represents an example of radiation because there is no direct contact between the heat source (sun) and the heated surface (human body).
3. Making soup and the water is rising and lowering is an example of convection because it involves the rising and lowering of a liquid (soup) due to a temperature gradient.
4. Conduction is a method of heat transfer that involves the transfer of heat through a solid medium in direct contact with one another. The solid material is called the CONDUCTOR. The transfer of heat from a warm sand to the bare feet, acting as the conductor is an example of CONDUCTION.
5. Heat is transferred when one touches a fire. This represents CONDUCTION because the fire transfers the heat via a solid medium (hand) in contact with it.
6. The warm air near a room rises because there is transfer of heat, caused by a difference in temperature, through the fluid (gas) causing it to become more dense and rise.
Answer:
Explanation:
1. Heat transfers through objects it is touching
2. Radiation
3. The one about the car engine
4. Convection
5. Radiation
6. Conduction
An organism is made of many cells,cannot move on its own, and absorb food from its environment.what kingdom does it belong to
Answer:
Plant kingdom- Plantae
Explanation:
This would be the most logical answer since according to the description, it is a multicellular organism that absorbs food from its environment, which would be the soil,
Which statement best describes an understanding of genetics that would be missing without the work of Mendel?
The DNA codes for traits would not be known.
The protein codes for traits would not be known.
Some alleles are dominant, and some alleles are recessive.
Offspring receive two copies of each allele from each parent.
Answer:
Some alleles are dominant, and some alleles are recessive.
Explanation:
For a recessive allele to generate a recessive phenotype, the individual must exhibit two copies from each parent. An individual with a dominant and one recessive allele for a gene will exhibit the dominant phenotype. A cross between a homozygous recessive and homozygous dominant will always articulate the dominant phenotype, while still exhibiting a heterozygous genotype.
how does molecules in the air that come into the plants leaves affect the plants mass
Answer:
The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plantsconvert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water
Why do you think it can be difficult for scientists to determine whether an apparent relationship between species is an example of symbiosis? Use evidence from the article to support your answer.
For scientists to determine whether an apparent relationship between species is an example of symbiosis, they must visualize that both are receiving equal shares of benefits.
What would a symbiosis be?The term symbiosis, from the Greek etymons sym (together with) and bios (life), was originally used by the biological sciences to designate a close, harmonious and productive functional relationship between two organisms, which interact actively with a view to mutual benefit.
With this information, we can conclude that for scientists to determine whether an apparent relationship between species is an example of symbiosis, they must visualize that both are receiving equal shares of benefits.
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Answer:
The nature of the relationship isn’t always clear. For example, dolphins help people fish, but it’s not clear whether the dolphins respond to calls. This situation can make it difficult to determine whether the relationship is mutualistic or commensal.
Explanation:
sample
Indica si son verdaderas (V) o falsas (F) las siguientes frases referidas a la famosa hipótesis de Oparin, razona la respuesta. La atmósfera de la Tierra primigenia era de tipo oxidante, con oxígeno, por ello pudo aparecer la vida. En la primitiva atmósfera reductora y con la energía de los rayos y la luz se formaron las primeras moléculas orgánicas. Se formaron todos los seres vivos a partir de los gases que formaban la atmósfera primitiva. A partir de los gases de la atmósfera primigenia se sintetizaron aminoácidos y otras moléculas orgánicas que dieron lugar a la sopa o caldo primitivo.
Answer:
error
Explanation:
The data shows that recently the shark population has increased. How will the increase in the shark population affect the other populations? Be sure to explain whether the sea otter population, the sea star population, and the clam population will change, and why
Answer:
There is no data to show but there would definitely be a decrease in the population of the other organisms in lower trophic level (sea otter).
Explanation:
This question involves an aquatic food chain involving organisms like clams, sea stars, sea otters, and sharks. In this question, the shark appears to occupy the highest trophic level i.e. tertiary consumer. Ideally, as the food chain progresses from the lowest to highest trophic level, the population of each organism decreases.
However, an increase in the population of sharks will mean more mouths to feed on other consumers. Hence, causing a decrease in the population of other organisms in lower trophic level especially the organism that occupies the secondary consumer trophic level.
An increase in the shark population can decrease the populations of their prey, like sea otters and sea stars, possibly leading to an increase in their prey, such as clams. However, the impact is complex and depends on the specifics of the ecosystem, including factors like overfishing and environmental changes.
Explanation:The recent increase in the shark population is likely to have a cascading effect on other marine populations. As apex predators, sharks control the populations of other marine species through predation which maintains the health and balance of the ecosystem. With more sharks, the populations of their prey, like sea otters and sea stars, may decrease due to increased predation. This, in turn, could lead to an increase in the populations of sea otters' and sea stars' own prey, such as clams, if sea otters and sea stars are less numerous to hunt them.
However, the overall impact on the sea otter population, sea star population, and clam population depends on the complexity of the ecosystem and the specific feeding relationships. For instance, if sea otters are heavily preyed upon by sharks, their decreased numbers could lead to an unchecked growth in sea urchin populations, which sea otters usually keep in balance. Sea urchins feed on kelp and could decimate kelp forests, negatively impacting many species dependent on this habitat. Conversely, a reduced sea star population could allow for the bivalve populations, including clams, to increase, potentially leading to overgrazing on their food resources.
It's important to note that the dynamics of marine ecosystems are highly complex and influenced by multiple factors including human activities such as overfishing and environmental changes. For example, commercial fishing activities disproportionately targeting large predatory fish such as sharks effect a process known as 'fishing down the marine food web' which can destabilize marine ecosystems. Therefore, changes in shark populations should be monitored and managed carefully to ensure the health of the overall marine ecosystem.
, inherited traits that increase an
organisms chance of survival, also determine an
organism's niche.
Answer:
An organism's habitat and inherited traits determine its niche
Explanation:
an icebergs density is less than that of the water in which it floats. true or false
Answer:true
Explanation:
Answer:
true :)
Hope this helps
Which statement best describes Mendel's experiments?
A. he began with hybrid plants
B. he controlled pollination
C. he only observed one generation
D. he used plants that reproduced slowly
Answer:
B
Explanation:
Mendel needed to control the plants' pollination, because he wanted to selectively breed the plants and observe the results.
Why not A: He began with purebreeding plants, so he could trace alleles exactly.
Why not C: He observed so many generations! It's important in an experiment to have as large a sample size as you can without being too large.
Why not D: Part of the reason he picked pea plants is because they reproduce quickly, so he could measure efficiently.
How does a coronal mass ejection (CME) affect the solar wind?
A CME adds more particles to the solar wind, intensifying it.
A CME does not affect the solar wind but it does affect auroras.
A CME blocks the solar wind, causing it to fade.
A CME increases the amount of energy in the solar wind.
Answer:
Option A
Explanation:
Corona is defined by the strong magnetic fields. When these strong magnetic fields confine solar atmosphere and produces violent bubble of gases then it is said to cause coronal mass ejection (CME).
When a CME passes through the solar wind, it causes production of high velocity solar energetic particles that follow magnetic field lines and passes through the space between the Sun and the Earth. The charged particle added by CME intensifies the solar wind.
Hence, option A is correct
Final answer:
A CME adds more particles to the solar wind, intensifying it and causing various effects on Earth such as heating the ionosphere, increasing atmospheric drag on satellites, and the potential for solar storm damage.
Explanation:
A coronal mass ejection (CME) affects the solar wind by adding more particles to it, thus intensifying the solar wind. These ejections send tens of millions of tons of coronal material, primarily protons and electrons, into interplanetary space at high speeds of 500-1000 kilometers per second. This increased density and energy can have various effects on Earth, including heating the ionosphere, expanding it, and causing disturbances to satellites and communications systems due to increased atmospheric drag. Furthermore, when a CME reaches Earth, it can distort Earth's magnetic field, potentially leading to solar storm damage by inducing electrical currents and accelerating electrons to high speeds, which can adversely affect satellite operations.
Complete the following analogy.
mechanical weathering : wind :: chemical weathering : _________
A. gravity
B. erosion
C. freezing water
D. oxidation of iron
___________________is exemplified by a new starfish developing out of a single removed arm.
Answer:
Fragmentation
Explanation:
Answer:fragmentation
Explanation:QUIZLET
A population of arctic hares burrows into the snow for shelter. It is found
that the hares on the smaller side are able to burrow between rocks, as
well, providing extra protection from predators. Over time, the hare
population becomes smaller in size, shifting the normal distribution curve for
hare size.
What type of selection is this?
Answer:
well, providing extra protection from predators. Over time, the hare
Explanation:
Artic hares are commonly found in northern Canada and coasts of Greenland. Some are found in artic Europe and Asia. They are found on sea icing and are herbivore dependent on land plants for food. 20% mass part of their body is fat insulation and they are low climate animal. They dig into the ground or burrow under the snow during cold weather. It's a way to offer protection against the harsh weather and protection against predators. This is a form of behavioral selection.
Final answer:
Arctic hares that are smaller in size are favored by environmental pressures because they can hide in snow burrows and rock crevices, leading to directional selection which shifts the population's size distribution curve towards smaller sizes.
Explanation:
The situation described with the population of arctic hares demonstrates a phenomenon known as directional selection. This type of selection occurs when environmental pressures favor one extreme of a trait distribution, in this case, smaller size in hares. As smaller hares can burrow into the snow and also fit in crevices among rocks for protection from predators, they are more likely to survive and reproduce, passing on their genes for smaller body size. Over time, this selective pressure results in the overall population becoming smaller, shifting the normal distribution curve for hare size towards the smaller end.
Which family members have red-green color blindness? Sam, Tim, Bella, and Joshua Lisa and Monica Ben, Jenny, Mike, Carol, Katie, and Chris Sam, Joshua, and Tim
Answer: Sam, Tim, Bella, and Joshua
Explanation:
The family members who have red-green color blindness are Sam, Tim, Bella, and Joshua. The correct option is a.
What is color blindness?The only form that truly embodies the phrase "color-blind" is achromatopsia, sometimes known as "total color blindness." Achromatopsia is a condition in which a person can only perceive the world in shades of gray, black, and white.
In pedigrees, the degree to which the form is entirely covered by a certain color—in this case, orange—indicates whether a person exhibits a particular trait.
On the other side, if orange dominates half of the form, the individual is an allele carrier.
A family member's shape is empty if they do not possess or carry the characteristic. Shapes for Sam, Tim, Bella, and Joshua are entirely filled in. They are therefore color-blind to red and green.
Therefore, the correct option is a. Sam, Tim, Bella, and Joshua.
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The question is incomplete. Your most probably complete question is given below:
The pedigree traces red-green color blindness. The missing image is added.
HELP ASAP GIVING BRAINLIST!!!!!!!!!!!!!!!!!!
Answer:
raven, grasshopper mouse, and a coyote.
Explanation:
Answer:
I'm glad you asked!
Explanation:
Beavertail Cactus is a not a omnivore.It does not eat anything.
Kitfoxes are omnivores because they eat plants and insects.
A normal raven is a omnivore but most of the time of the time,they eat meat.
Grasshopper Mouse is a carnivore.It eats grasshoppers.
Coyotes are omnivores.They will eat anything!
Which of the following is not a characteristic of animals?
Question options:
Their cells contain a nucleus.
They are photosynthetic.
They are multicellular.
The statement "They are photosynthetic" is not a characteristic of animals (option B)
Why is this true?All creatures, in the animal kingdom are made up of cells classified as eukaryotes which means their cells contain a nucleus and various organelles.
In terms of nutrition animals are classified as heterotrophs, which implies that they are unable to produce their sustenance and must rely on consuming organisms for nourishment.
Animals lack the capability to perform photosynthesis. Thus they must source their energy from means, such, as consuming plants or other animals.
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To be accurate, a theory must continue to explain _____.
a.)new data
b.)new methods
c.)new inferences
d.)new ideas
HELPPP