Two Frog Populations (Same Species)living in Two Neighboring Lakes Sing

question 21

Multiple Choice

Two frog populations (same species) living in two neighboring lakes sing slightly different courtship songs.Predict what likely happens to the songs of the two frog populations after increased irrigation makes the land between the two lakes wetter.Females prefer loud frogs to quieter frogs,but do not distinguish between the two slightly different songs.Assume that courtship song differences have a genetic basis.

• A)The songs become more similar to each other.
• B)The songs become more different from each other.
• C)There is no change in the frog courtship songs of the two lakes.

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