A singe Rufous Hummingbird has a mutation. Why ISN'T this mutation very likely to lead to evolution in the Rufous Hummingbird species? Question 2 options:
A) Populations evolve, individual organisms don't.
B) Hummingbird are not threatend; species do not change.
C) Animals adapt easily to most environmental conditions.
D) Mutations in animals are almost always beneficial.

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