Chinook salmon and coho salmon can mate and produce fertile offspring, but the two species prefer different si

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Chinook salmon and coho salmon can mate and produce fertile offspring, but the two species prefer different sizes of gravel to build their nests in, so they tend to reproduce in different parts of a stream. This is an example of a(n)           .

GPT-5 mini · Answer

habitat isolation — a form of prezygotic (ecological) reproductive barrier, because different nest-site preferences keep them from meeting and mating in nature.

Chinook salmon and coho salmon can mate and produce fertile offspring, but the two species prefer different sizes of gravel to build their nests in, so they tend to reproduce in different parts of a stream. This is an example of a(n) .

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