Answer:
The second statement is correct: "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach."
Explanation:
The virus attaching itself to the host cell is the first step for it to successfully infect the host. Viruses are smaller in size than bacteria, so the first statement is incorrect. The third statement is incorrect because viruses do not have the necessary machinery to carry out protein synthesis or to generate ATP, this precisely why they seek out a host to begin with. The fourth statement is false because the virus will either have DNA or RNA, but both at the same time.
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There would be more prey than predators, as for a predator to have a balanced diet it should have a plentiful supply of food, meaning it needs more prey. You're welcome!
Assuming this is the question that has the four different possible answers, the answer is in fact B: The mouth. Otherwise, I would just say that <em>Any area with said decreased light penetration is going to have less diversity of plant life.</em>
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