When Some Animals Mature, They Then Migrate Long Distances to Their

question 8

Multiple Choice

When some animals mature, they then migrate long distances to their breeding grounds or to escape harsh weather.A signal for this type of behavior is often:

• A) a conditioned stimulus.
• B) day length.
• C) negative reinforcement.
• D) a sign stimulus.
• E) territoriality.

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Definitions:

Crystallins

Water-soluble proteins found in the lens of the eye which are responsible for maintaining lens transparency and refractive properties.

Gene Recruitment

The evolutionary process by which a gene acquires a new function.

Complex Adaptation

A complex adaptation is a suite of coexpressed traits that together experience selection for a common function. Phenotypes are considered complex when they are influenced by many environmental and genetic factors and when multiple components must be expressed together for the trait to function.