The Theory That Species Persist for Long Periods and Then

question 36

Multiple Choice

The theory that species persist for long periods and then undergo rapid spurts of evolutionary change is:

• A)phyletic gradualism.
• B)punctuated equilibrium.
• C)parallel evolution.
• D)convergent evolution.

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Definitions:

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A situation or period in an individual's life when there is a potential for an important change in the integration of their identity or social relationships.

Erik Erikson

A developmental psychologist and psychoanalyst known for his theory on the psychosocial development of human beings, which describes eight stages from infancy to adulthood.

Abraham Maslow

An influential psychologist known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs.