Different biological bodies react completely different to bodily situations. So I am going to conclude that all of the above can upset the balance of an ecosystem.
Answer:
Populations evolve as natural selection results in a change in the frequency of alleles within the population over time.
ectoderm<span>, </span>mesoderm<span>, and endoderm </span>
Chicken, black beans and walnuts are all found in the protein group
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