Two Species of Tree Frogs That Live Sympatrically Differ in Ploidy

question 12

Multiple Choice

Two species of tree frogs that live sympatrically differ in ploidy: Hyla chrysoscelis is diploid, and Hyla versicolour is tetraploid. The frogs are identical in appearance, but their mating calls, which females use to find mates, differ. Which difference most likely evolved first?

• A) polyploidy
• B) difference in mating calls
• C) habitat differentiation
• D) polyploidy and different mating calls must have evolved at the same time

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Definitions:

Drooping Eyelid

A condition known medically as ptosis, characterized by the upper eyelid falling to a lower position than normal, potentially obstructing vision.

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The condition of drooping or sinking under weight or pressure, often referring to structures or physical appearance.

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A medical condition characterized by the formation of calculi or stones in the salivary glands.

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