Pacific Salmon Hatch in Streams and Grow Up Out in the Pacific

question 22

Short Answer

Pacific salmon hatch in streams and grow up out in the Pacific Ocean.At the end of their life,they mate once then die.Assuming that not all salmon survive life in the ocean and that those who do survive produce equal numbers of offspring,this would be an example of _________ selection.

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Definitions:

Childhood Repression

A defense mechanism identified by psychoanalytic theory, where unpleasant childhood memories are unconsciously blocked out as a protective measure.

Aversive Conditioning

A form of behavior modification that involves using unpleasant stimuli to discourage undesirable behaviors.

Desensitizing

The process of reducing sensitivity or responsiveness to an external stimulus, often used as a therapeutic technique.

Systematic Desensitization

A behavioral therapy method used to reduce phobias, anxiety, and fears through gradual exposure to the feared object or situation.