In the Figure Above,the Population Indicated by the Dots

question 23

Multiple Choice

In the figure above,the population indicated by the dots

• A)has a high fitness.
• B)exhibits two distinct morphs
• C)is experiencing background selection.
• D)is experiencing drift.
• E)is in equilibrium.

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Definitions:

Ethmoid

A spongy, cuboid-shaped bone at the base of the skull, critical in the formation of the nasal cavity, orbits, and the floor of the anterior cranial fossa.

Sphenoid

A complex bone at the base of the skull that helps form the eye socket, nose, and base of the brain casing.

Maxilla

One of a pair of bones forming the upper jaw, holding the upper teeth, and contributing to the formation of the orbit, nasal cavity, and palate.

Vertebral Column

The spine or backbone; a column of vertebrae in the back that protects the spinal cord and supports the body.