Answer:
A.red blood cell.
Explanation:
what type of population growth is at risk for a population crash? explain why
Answer:
exponential growth, it will exceed the carrying capacity of its environment and then the population will crash down to or below it and continue a boom and bust cycle.
gimme brainliest please !! :)The population which have an exponential growth rate is at high risk for a population crash as the population grows at a very fast rate and reaches the carrying capacity which will lead to decline in the population.
What is Population growth?
The growth of a populations can be explained by the two main models which explains how the population size changes over time. The models are exponential growth and logistic growth model.
Population growth depends upon the size of a population, with the main factors including fertility rates, mortality rates, initial age profile of the population and migration of species from a population.
The main causes of a population crash include the scarcity of environmental resources which are required for the survival, growth and reproduction of a population, predation, and waste accumulation in the ecosystem. Population crash can also be caused by an initially overpopulated group of species and by the competition between the members of a species.
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How does the immune system work together with the circulatory system to function properly?
A.
The circulatory system's arteries cause the immune system to work harder by bringing oxygen-depleted blood to the infection site.
B.
Red blood cells released by immune cells cause increased blood flow to the infection site; this increased blood flow brings other red blood cells to the area more quickly.
C.
White blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to destroy pathogens.
D.
The immune system's red blood cells fight and destroy foreign antigens.
Question Resources
The immune system functions in conjunction with the circulatory system by having white blood cells travel through blood vessels to areas where they are needed to destroy pathogens. Therefore, the correct option is C.
Explanation:The immune system and the circulatory system work together intricately to maintain body health. White blood cells (leukocytes), including monocytes and lymphocytes, are a crucial part of the immune system. These cells travel throughout the body via the blood and lymphatic systems as part of the circulatory system to detect and fight pathogens. The correct choice that describes how these two systems collaborate is:
C. White blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to destroy pathogens.
The circulatory system also transports nutrients that are vital for the immune system's proper functioning and aids in removing waste products created by the immune system during the fight against invaders.
Which organism would be at the bottom of a food pyramid?
A.
grasshopper
B.
tomato plant
C.
rabbit
D.
coyote
Answer:
B) tomato plant
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Read the two statements given below. Statement 1: Children knocked over the trash can while cycling Statement 2: Plant cells generate from sunlight and chlorophyll Which of the following best relates the statement to the correct type of theory? Both statements are about scientific theories. Both statements are about everyday life theories. Statement 1 is about an everyday life theory, and statement 2 is about a scientific theory. Statement 1 is about a scientific theory, and statement 2 is about an everyday life theory.
C. Statement 1 is about an everyday life theory, and statement 2 is about a scientific theory.
Explanation - Statement 1: Children knocked over the trash can while cycling is an example of everyday life theory whereas Statement 2: Plant cells generate from sunlight and chlorophyll is an example of scientific theory.
In everyday life, if Children are not taught or explained, then they tend to throw the garbage or trash here and there thereby littering the street. Applying the scientific theory, plant cells uses sunlight, water, carbon dioxide and chlorophyll to perform photosynthesis.
Answer:
Its C, Statement 1 is about an everyday life theory, and statement 2 is about a scientific theory.
Explanation: I took the test and got it right
Consider this plant cell.Which organelle is labeled A
Answer:Its the Vacuole
Explanation:
In order for a hypothesis to become a theory, scientists MUST _____.
scientists MUST test the hypothesis several times and if they keep getting the same results, it is now considered a theory.
wich base is found only in DNA
Answer:
nitrogenous base Thymine is the only base which is found only in DNA.
Read the questions below. Check all of the nonscientific questions.
How many calories will I use if I swim for thirty minutes?
What is the outer part of a cell called?
What influence do hormones have on emotions?
Why do people in my neighborhood have more cats than dogs?
How can the position of stars and planets be used to predict the future?
How are plants at higher elevations likely to be affected by climate change?
Final answer:
Nonscientific questions include those about neighborhood pet preferences and astrology. Scientific plausibility involves looking for evidence and reproducibility. Physics deals with universal laws, whereas biology focuses on the diversity of life.
Explanation:
Nonscientific Questions
Regarding the questions listed, the following are nonscientific questions:
Why do people in my neighborhood have more cats than dogs?How can the position of stars and planets be used to predict the future?Evaluating Scientific Plausibility
To decide whether a report about spirit forces influencing the weather is scientifically plausible, one could ask:
What evidence supports the claim?Can the influence be measured or observed in controlled conditions?Has this phenomenon been replicated in multiple studies?Science and Free Will
If "science" suggests free will is an illusion, it wouldn't necessarily be wise to start behaving like a machine as human behavior is complex and influenced by a multitude of factors, not just neurological determinism. Personal experience and societal norms play significant roles in how we behave.
Differences Between Physics and Biology
While both physics and biology utilize scientific thinking, physics often focuses on universal laws that apply to all matter and energy. In contrast, biology deals with the diversity of life, its processes, and the many variables that can affect living organisms.
The graph below shows changes in the concentrations of glucose and insulin in the blood of a human over a period of time. Which statement correctly explains these changes?
I’m pretty sure the answer is D
Protists aren't monophyletic, meaning that they don't
A. share one common ancestor that isn't also shared by organisms in other groups.
B. have one mode of reproduction.
C. have one chromosome.
D. live their lifespan in one place but instead can move.
Answer:
A. They don’t share ancestors with other organism in the same grouping. Protists belong in a paraphyletic group
Answer:
A. share one common ancestor that isn't also shared by organisms in other groups.
Explanation:
A monophyletic group includes all the descendants of an ancestral species. On the other hand, a paraphyletic group includes some descendants of a common ancestor. Protists are not monophyletic as they share a common ancestor with other groups. Hence, protists are said to be paraphyletic. Mammals are monophyletic as all the mammals share a common ancestor which is not shared by organisms of any other groups.
Which of the following about carbon sinks is not true? a. They emit more carbon than they take in. b. They take in more carbon they emit. c. They store carbon from the atmosphere. d. They include oceans and forests.
Answer:
a. They emit more carbon than they take in
Explanation:
The carbon sinks are basically the natural storage for carbon. The oceans and the forests are some of the carbon sinks, and are the two of the biggest. They have the ability to take in more carbon than they emit back into the atmosphere, thus they are actually keeping the greenhouse effect under control and not letting it increase significantly. A perfect example for carbon sinks are the deposits of coal that the humans have been using since the industrial revolution intensively. The coal is made out of the trees that existed in the Carboniferous, hundreds of millions of years ago, and that carbon was stored deep inside the ground for all that time until the humans intervened.
The statement that carbon sinks emit more carbon than they take in is not true. Carbon sinks, like oceans and forests, absorb more carbon than they emit, serving as a significant part of the carbon cycle.
Explanation:In regards to carbon sinks, statement a: 'They emit more carbon than they take in.' is not true. A carbon sink is an environment that absorbs more carbon than it releases. Examples of carbon sinks are the oceans and forests. They absorb carbon from the atmosphere and store it, thereby regulating carbon in the atmosphere and helping to counteract emissions of carbon dioxide and other greenhouse gases.
Through the process of photosynthesis, forests convert carbon dioxide into organic carbon and release oxygen back into the atmosphere. Oceans, on the other hand, absorb vast quantities of carbon dioxide from the atmosphere and store it, both on the surface and in deep sea sediments.
It's important to note that while carbon sinks can absorb and store carbon, they do not emit more carbon than they absorb, which is a characteristic of carbon sources, not sinks. Carbon sources include volcanic activity and human activities like burning fossil fuels.
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Common rosefinches arrived in Hawaii roughly 6 to 7 million years ago and have since evolved into at least 56 new species of honeycreepers. How do scientists think that they got to Hawaii?
A.Some speculate that they were blown out to the islands by a massive storm
B. They were likely introduced to the island by early human populations there
C.They evolved for the first time in Hawaii, though there are similar birds in Asia
D.They were carried there in the mouths of whales who wanted prettier islands
Answer:
A. Some speculate that they were blown out to the islands by a massive storm
Explanation:
The common rosefinches are thought to have arrived on the Hawaii islands between 6 and 7 million years ago. As the common rosefinches are not big birds and they can not fly over very long distances, the scientists believe that it is a massive storm that blow some individuals to the Hawaii islands. This is nothing weird, as it has been witnessed numerous times how massive storms manage to carry some smaller birds to places where they are not able to fly on their own. Once there, the birds encountered suitable conditions for living and lot of open niches in the food chain. This resulted in quick diversification of the common rosefinches, with members of the species gradually adapting to a particular niche, experiencing changes to be more competent, and creating numerous new species after some time.
Which is most likely an example of a vestigial structure
Answer
the human appendix, the pelvic bone of a snake, and the wings of flightless birds.
Explanation:
The human appendix is an example of vestigial features.
Why is human appendix considered a vestigial structure?The human appendix can be called a vestigial organ because it has been proven that removing it after childhood causes no harm. However, in humans, the appendix has evolved to the point where it is strategically located at the intersection of the midgut and hindgut.Appendixes were employed for digestion by prehistoric humans, who were mostly herbivores. However, as humans progressed, they began to consume more easily digestible foods, and the appendix finally lost its ability to function.learn more about vestigial structure here:
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what are the different types and rates of evolution?
Answer:
the types of evolution are: divergent, convergent, and parallel [evolution]
:) have a nice day love ❤
Explanation:
Final answer:
Evolution includes divergent and convergent types, with variable rates described by gradualism or punctuated equilibrium models. Divergent evolution leads to a variety in species traits, while convergent evolution results in similar traits in species across different lineages. Continental drift, generation time, and genetic changes further influence evolution rates and patterns.
Explanation:
The concept of evolution encompasses different types and rates, leading to the diversification of life on Earth. One type of evolution is divergent evolution, where related species branch out and adapt to various niches, resulting in a variety of characteristics. Contrastingly, convergent evolution occurs when unrelated species develop similar traits due to comparable environmental pressures. Rates of evolution can vary widely, and are influenced by genetic changes, generation time, and environmental factors.
Evolutionary rates can be slow and constant, supporting the idea of gradualism, where minuscule changes accumulate over vast periods. Conversely, punctuated equilibrium, a model proposed by Niles Eldridge and Stephen Jay Gould, suggests that species evolve abruptly during short periods and then remain relatively unchanged for extended times. This model accounts for the 'sudden' appearance of new forms in the fossil record and proposes that rapid evolution occurs in small, isolated populations.
Geographical changes, such as continental drift, also play a significant role in shaping the patterns and rates of evolution. The measurement of evolutionary rates has been expressed in units such as Darwins and Haldanes, which describe the degree of trait changes over time.
What is the term used to describe the distance between objects?
A.
line
B.
contrast
ISHED
c.
space
Answer:
Space describes the distance between objects
A, because anything that is in this world has space, for example in a ballon.
in RNA what nitrogen bases pair with AUA CGC?
In RNA, the four Nitrogen bases are A, U, G, C.
A pairs with U, and U pairs with A
G pairs with C, and C pairs with G
Answer:
A - U
U - A
A - U
C - G
G - C
C - G
What are some of the possible consequences (effects) or shon
ecological change?
Short-term human ecological change is caused by habitat destruction, deforestation, wildlife hazards, pollution and non-sustainable harvesting. ... Deforestation, climate change/global warming, ozone layer destruction, and the mass-extinction of plant and animal species. Not sure about your question, but I hope this helped
which sentence describes how an animal might interact with the abiotic factors in its environment?
it consumes producers
it inhales oxygen
it is part of the food web
it is degraded by decomposers
Answer:
It inhales oxygen
Explanation:
Answer: Option b
Explanation: The sentences that describes the interaction of the animals with the abiotic components of the environment is that the animals inhales the oxygen from the atmosphere.
This atmosphere is a abiotic factor. The inhalation of the oxygen by the animals in the environment is how the abiotic and biotic components interact with each other.
Birds that do not receive adequate nutrition during development sing less often and for shorter periods of time as adult birds. Which BEST describes the outcome of nutritional stress in these songbirds?
They are less likely to obtain good nesting sites.
They are less likely to attract mates and pass on their genes.
They are less likely to find adequate food supplies.
They are less likely to ward off predators.
Answer: i believe it is b, they are less likely to mate
Answer:
They are less likely to attract mates and pass on their genes.
Explanation:
The singing of birds uses a lot of energy from their bodies, for this reason, birds that do not eat properly tend to sing less often to save the little energy they have. However, birds only sing when they have motives and the main reason for this song is to attract reproductive partners for mating. With this, we can conclude that if the bird does not eat well, it will have little energy and will not have frequent frequency, so it will be less likely to attract partners and transmit its genes.
Throughout the year, these animals sing more in the spring. This period is the breeding season for birds, who wish to demarcate territory and attract females. In the following season, the summer, the chicks are born, and the singing decreases. In addition to not wanting to attract unwanted visitors to the nest, both the male and the female are totally focused on raising the young.
What are all the possible combinations of alleles that each F1 parent can pass onto the offspring
Answer:
AA , Aa , Aa and aa
Explanation:
AA X aa gives 4 Aa (F1)
When F1 is crossed Aa x Aa gives AA ,
2 Aa and aa (F2 generation)
Each F1 heterozygous parent can pass one of four allele combinations to the F2 generation: YY, Yy, yY, and yy, leading to a 1:2:1 genotypic ratio and a 3:1 dominant to recessive phenotypic ratio.
Explanation:To understand the combinations of alleles each F1 parent can pass onto their offspring, it's helpful to use a Punnett square for visualization. In a monohybrid cross of a heterozygous (Yy) F1 individual, there are four potential allele combinations for the F2 generation: YY, Yy, yY, and yy. When analyzing the genotypes, it turns out there are two ways to get a heterozygous (Yy) result, which are counted separately. However, since Yy and yY are identical, we combine them, resulting in three genotypes with a ratio of 1:2:1 (YY:Yy:yy).
This ratio supports the observed 3:1 phenotypic ratio seen by Mendel, due to the YY and Yy genotypes both presenting the dominant phenotype (for example, yellow peas), while the yy genotype displays the recessive phenotype (e.g. green peas). Each allele combination happens due to the equal segregation of alleles during gamete formation and the random nature of fertilization. The expected phenotypic ratio, applying the sum of probability, is therefore 3 dominant:1 recessive.
Maria formed which of the following?
A. Basaltic Lava
B. Lunar Regolith
C. Ancient Water Erosion
D. NONE OF THE ABOVE
Maria formed Basaltic Lava.
A ... Basaltic Lava seems like the best answer based on what I found on the lunar maria.
The last dinosaur was found in the rock layers at the end of he Mesozoic era . In what epoch will you find the last dinosaur fossils
You will find them in the Late Cretaceous Epoch
Answer:
B) Late Cretaceous Epoch
Explanation:
Using this tool, Anton van Leeuwenhoek was the first scientist to -
Anton van Leeuwenhoek, using the microscope, was the first to observe bacteria and protozoa.
Why do the terrestrial planets lack hydrogen and helium in their atmospheres?
A. Hydrogen and helium were converted to other compounds as the planets formed.
B. Hydrogen and helium can't be retained because the planet masses are too small.
C. Hydrogen and helium were blown away by solar wind.
D. Hydrogen and helium are present in rings around the terrestrial planets.
Answer:
B
Explanation:
Mostly, terrestrial planets (which are mainly made up of rocks) are usually smaller in size and therefore have lower mass, in comparison to gas planets. An example, in our solar system, is Saturn and Jupiter are bigger than Earth, Mercury and Venus. Due to their low mass, their gravitational pull is not strong enough to retain an atmosphere of very light gas such as hydrogen and helium. These terrestial planets can retain heavier gas such as carbon dioxide and oxygen.
The terrestrial planets lack hydrogen and helium in their atmospheres because hydrogen and helium were blown away by solar wind.
The correct option is (C).
Why it is difficult for terrestrial planets to retain hydrogen and helium?Terrestrial planets have a solid planetary surface, which distinguishes them from larger gaseous worlds.
Terrestrial planets are nearest to the sun, so the temperature in these planets are high.
Due to high temperature, hydrogen, and helium gases are blown away.
Hydrogen and helium are very light gases, that's why always go upside away from surface.
Thus, option (C) solar winds blow away hydrogen and helium is correct.
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Which of the following describes symbiotic mutualism? A: one organism benefits , B; one orgamisn is harmed , C; both organisms benefit , D; both organisms are harmed
Answer:
c. both organisms benefit
Explanation:
Answer:
c
Explanation:
how long is a day on Kepler 62f (length of day in earth time)
Answer:
122 days I think
Explanation:
Which technique would use dna from and extinct species to recreate an organism of the species
Answer:
The woolly mammoth (Mammuthus primigenius) is a candidate for de-extinction using either cloning or genome editing.
Which of the following statements regarding the moon and Earth is correct?
A. Earth and the moon are nearly the same age.
B. Earth is tidally locked, while the moon spins on its axis.
C. The moon is older than Earth by approximately 300 million years.
D. Earth and the moon have nearly the same mass.
Answer:
A
Explanation:
It is believed that the moon was formed shortly (relative time) after the earth was newly formed. This occurred in a massive planet-sized collision that ejected a huge chunk of the earth out into space. The chunk, still within earth gravitational reach, began orbiting the earth becoming the moon. Both earth and moon are slightly more than 4 billion years old.
Answer:
A. Earth and the moon are nearly the same age.
Explanation:
These hypotheses are consistent with the evidence that shows rock from the moon and the earth have nearly the same age and composition.
Energy can be _____ or _____,but can be refused
Answer:
Transferred or transformed.
Explanation:
This is one of the fundamental laws regarding energy and its existence. You cannot create it, you cannot destroy it, you only transform it to another energy type or transfer it to another body (object / entity).
Hope it helped,
BiologiaMagister
Answer:
Energy can be Transfered or transformed, but can be refused
____ is the increase in eficiency gained by producing more output without using more inputs
Technological progress will be the answer. :)
Technological Progress is the increase in efficiency gained by producing more output without using more inputs.
Technological progress is an economic function that serves to explain changes in economic output in relation to technological advances and progress.