Males of Many Marsupial Species Have Forked Penises That Are

question 11

Multiple Choice

Males of many marsupial species have forked penises that are incompatible with the anatomy of female placental mammals.What type of isolating mechanism does this represent?

• A)ecological isolation
• B)temporal isolation
• C)mechanical incompatibility
• D)hybrid sterility

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Definitions:

Aphagia

The inability to swallow or the loss of swallowing reflex, often due to neurologic or muscular disorders.

Hyperphagia

Overeating that leads to significant weight gain.

Lesioned

Having suffered damage or injury to a body part, organ, or tissue, often referring to specific areas of the brain in medical contexts.

Hypothalamus

A small region of the brain that plays a critical role in hormone production, regulation of body temperature, hunger, thirst, and circadian rhythms.