When Allopatric Populations Reestablish Contact Upon Elimination of a Geographical

question 8

Multiple Choice

When allopatric populations reestablish contact upon elimination of a geographical barrier, ____ has occurred. ​

• A)species clustering
• B)secondary contact
• C)parapatric speciation
• D)sympatric speciation
• E)evolutionary convergence

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Definitions:

Transcranial Magnetic Stimulation

A noninvasive procedure that uses magnetic fields to stimulate nerve cells in the brain to improve symptoms of depression.

Drawback

A disadvantage or negative aspect of a situation, plan, or product.

Brain Stem

The posterior part of the brain, adjoining and structurally continuous with the spinal cord, responsible for controlling vital life functions such as breathing, heartbeat, and blood pressure.

Structure

In psychology, it refers to the organization or arrangement of elements such as personality traits or the mind's cognitive aspects.