Question

define the term virus​

Answer 1

Answer:

A virus is an infectious agent that can only replicate within a host organism. Viruses can infect a variety of living organisms, including bacteria, plants, and animals. Viruses are so small that a microscope is necessary to visualize them, and they have a very simple structure.

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Answer 2

Answer:

a living thing, too small to be seen without a special instrument (microscope), that causes disease in people, animals and plants

Explanation: