Question

which of the following is an example of reproductive isolation? two populations of finches that cannot produce viable offspring two populations of finches that have different feather colors two populations of salamanders that live in different lakes two populations of salamanders that have different tail lengths

Explanation:

Reproductive isolation refers to barriers that prevent two groups from producing viable, fertile offspring. Physical traits (feather color, tail length) or geographic separation (different lakes) do not directly prevent successful reproduction. Only the inability to produce viable offspring fits the definition.

Answer:

two populations of finches that cannot produce viable offspring