<span>D. fossils
Hope im right!(: </span>
Answer: the ecosystem is balanced.
Explanation:
Directional selection acts against b<span>oth extremes simultaneously in the variation of the trait. This is the most "aggressive" form of selection and only happens in extreme areas.
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Answer:
Option A, Viruses contain either DNA or RNA.
Explanation:
Virus is a non-living microscopic molecule that requires a host to live in and reproduce. All the viruses have nucleic acid either in the form of DNA or RNA. DNA or RNA is genetic material that is enclosed with in a membrane known as capsid. Capsid is also made up of protein. They are extremely small, even smaller than a normal cell and only consist of package of nucleic acid and protein.
Hence, option A is correct
According to a source, the options that fits the question is analogy. This means that both ancestors are similar to one another, which in respect to convergent evolution.
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