21. Describe the three steps by which a population
of insects becomes resistant to a pesticide.
1 answer:
Answer:
1. Survivors of the pesticide have a gene that protects them from it.
2. Then the survivors pass on the gene to their offspring,
3. Each time the pesticide is sprayed, the insects have a greater chance of survival.
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Number 3
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The answer is (A) virus. In the medical field, it's considered non-living.
<span>Nuc is short for nucleus</span>
part 1: inconsistent
part 2: not uniformly available
hope this helps.
The cardiovascular system I think. Hope this helps