If an Overlap Develops Between the Ranges of Two Closely

question 31

Multiple Choice

If an overlap develops between the ranges of two closely related species,and if the species occupy the same niche in the zone of overlap,what will probably happen in the zone of overlap?

• A)Both species will coexist,provided the environment in the zone of overlap is different from that in either individual range.
• B)Both species will coexist,provided the environment in the zone of overlap is similar to that of one of the individual ranges.
• C)One species will take over most or all of the zone of overlap.
• D)A new species will arise by hybridization.

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Definitions:

Conditioning

Conditioning is a process of behavior modification by which a subject comes to respond in a desired manner to a previously neutral stimulus.

Stimulus Presentation

The act of introducing a stimulus to a subject's sensory medium (e.g., visual, auditory) to provoke a response or examine the subject's behavior in psychological experiments.

Schedule of Reinforcement

A plan or strategy in behavioral psychology for determining which responses will be reinforced to shape or modify behavior.

Partial Reinforcement

A conditioning strategy in which a reward is not administered every time the desired behavior is performed, often leading to more resistant behavior change.