How Can Natural Selection Explain Both the Loss and Gain

question 32

Essay

How can natural selection explain both the loss and gain of color vision at different points in our evolutionary history?

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Definitions:

Controlling

Exercising authority or influence over a situation or individual to dictate or direct outcomes.

Negative Reinforcement

A process in behavior modification where the removal of an unfavorable outcome or stimulus strengthens the likelihood of a desired behavior.

Buzzer

An electronic device that produces a loud or vibrating sound as a signal or alarm.

Seat Belt

A safety device in vehicles designed to secure the occupant against harmful movement that may result during a collision or a sudden stop.