Answer: a
Explanation:
Because the top predictors only eat meat, and not the plants, so if you take out the primary consumers, then the top predictors will begin to die out.
Answer:
Nonliving aspects of an ecosystem are known as (Abiotic)
Answer:
Because you body is introduced to the virus, it is familiar to it and can build up an immunity to the weakened form so when the actual virus invades, your body know what to do.
Explanation:
Um i think the definition for back-grounding is an intermediate stage sometimes used in cattle production which begins after weaning and ends upon placement in a feedlot. I think i am correct i am 84% sure. Mark brainiest if this helped.
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