A Population of Ground Squirrels Is Separated by a Glacier

question 15

Multiple Choice

A population of ground squirrels is separated by a glacier. Changes in which of the following would most likely result in reproductive isolation if the two populations came into contact several generations later?

• A) A change in the gene encoding of a receptor on the egg- cell surface in one group.
• B) A change in the fur colour of one group.
• C) A change in the diet of one group.
• D) A change in the alarm call of one group to warn of predators.

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Definitions:

Involuntarily Hospitalized

Refers to the process whereby individuals are admitted to a mental health facility without their consent, usually because they are deemed a threat to themselves or others.

Serious Bodily Harm

Significant physical injury that creates a substantial risk of death or causes serious, permanent disfigurement, or loss or impairment of the function of a body part.

Involuntary Commitment

The legal process through which individuals with severe mental illness are hospitalized or treated against their will, usually when they are deemed a danger to themselves or others.

Court-appointed Counsel

Lawyers provided by the state or court for individuals who cannot afford to hire their own attorney.