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Debora [2.8K]
3 years ago
15

Bicuspid valve prevents backflow into

Biology
1 answer:
kherson [118]3 years ago
3 0

Are there any answer choices?.....

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HELP! ANSWER IF YOU KNOW!!
Zarrin [17]

A is the correct answer

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How do mutations contribute to genetic variation?
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When a mutation has an effect that helps a species adapt to an environment, and specimens of both genders have it, it will end up taking over, causing evolution to gradually happen.
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The frog population in the amazon basin varied. Every 500 years, there was a mutational change leading to speciation. In between
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Punctuated Equilibrium
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A new species is discovered and scientists are trying to classify it. One of the key features found is that the species is entir
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Answer:

Parasitic

Explanation:

The species that is described is a parasitic species. The reason why it will fall into this category is that its key feature is that it is entirely dependent on other organisms for its food. This type of species are not able to produce food for themselves, nor are able to get it from the environment, which is way they have evolved in a manner to use the other organisms. They find a host organisms, attach to it, and then they are extracting the nutrients out of that organism, thus classical parasitism. The extraction of the nutrients can be so severe that the parasitic species can actually kill systemically its host.

4 0
3 years ago
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Hypothesis that states that the continents were once one large mass that broke apart?
Talja [164]

Answer:

Continental drift

Explanation:

Alfred Wagener told about continental drift. He said that continents were a single land mass called Pangaea. They were separated and relocated in the form of different continents. The drifting happens due to the movement of tectonic plates above the magma. As a result, the land mass was broken down into different landforms.  These broken parts were carried slowly and form the continents. The continents are now also moving slowly

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