I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
Ranchers, though, remained steadfastly opposed<span> to </span>reintroducing<span> a species of animal. so the answer is (B)
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If scientists wanted to learn more about evolutionary history, they would study all but one of these molecules. The biological molecule that would NOT offermuch information about the history of life is
<span>phospholipids
</span>the DNA proteins and nucleic acid will give them alot of information about history of life
so correct option is D
hope it helps