Answer:
Adaptation is process which runs parallel to an evolution
Answer:
Viruses have to invade the body of a host organism in order to replicate their particles. Therefore, most viruses are pathogenic. The main difference between bacteria and virus is that bacteria are living cells, reproducing independently and viruses are nonliving particles, requiring a host cell for their replication.
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The consumers that prey on krill would decrease in population resulting in a fall of that particular food web.
