In the Absence of Geographic Barriers,________ Speciation May Occur When

question 61

Multiple Choice

In the absence of geographic barriers,________ speciation may occur when reproductive isolating mechanisms develop between two populations.

• A)sympatric
• B)allopatric
• C)ecological
• D)extrinsic

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Definitions:

Moral Standards

Principles governing what individuals believe to be right or wrong conduct.

Instinctual Drives

Fundamental, innate impulses that compel individuals to act or behave in certain ways, such as hunger or reproduction.

Ego

In Sigmund Freud’s theory, the structure that begins to develop in response to the fact that instinctual demands of the id are not always immediately met. The ego develops to curb the desires of id so that the individual does not suffer any unpleasant consequences.

Reality Principle

A psychoanalytic concept involving the ability of the mind to assess the external world and act upon it accordingly, often in contrast to the pleasure principle.