Examine the Two Squirrel Populations in the Following Figure

question 13

Multiple Choice

Examine the two squirrel populations in the following figure.The populations are separated by a geographic barrier.If after a long period of time the two species are no longer separated,what evidence is needed to determine if speciation has occurred?

• A) Hybrid offspring of the two populations begin to appear.
• B) The two populations are not interbreeding freely.
• C) One species will increase into a population size twice as large as the other species.
• D) Polyploidy is creating new species.

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