The Figure Illustrates a Likely Scenario for the Molecular Mechanism

question 33

Multiple Choice

The figure illustrates a likely scenario for the molecular mechanism of treehopper helmet evolution. This process demonstrates which explanation for the evolution of complex traits?

• A) Traits arise in gradual steps, each of which is fully functional and adaptive for the same reason as the modern trait.
• B) Complex traits cannot evolve if they are adaptive.
• C) Complex traits arise by eliminating whole developmental pathways.
• D) Traits originally selected for one function are co-opted for a different function.

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Definitions:

Cultural Differences

Refers to the varying beliefs, values, behaviors, and practices observed among people from different backgrounds.

Cognitive Restructuring

A technique used by cognitive-behavioral therapists to encourage clients to become aware of, and to question, their assumptions, expectations, attributions, and automatic thoughts.

Distorted Thoughts

Thought patterns that are twisted, misleading, or based on false assumptions.

Emotions

Complex psychological states that involve three distinct components: a subjective experience, a physiological response, and a behavioral or expressive response.