Why Is a Species That Has Few Individuals at Greater

question 36

Multiple Choice

Why is a species that has few individuals at greater risk of extinction than a species with a large population size?

• A) A species with few individuals is more likely to be eliminated by a reduction in population size caused by a chance environmental event like bad weather or a fire.
• B) There's no risk to a small population as long as genetic diversity is high.
• C) A species with few individuals is likely to have a high percentage of heterozygotes. This can reduce the likelihood that the species can adaptively evolve in response to environmental changes.
• D) Genetic drift allows small populations to avoid the loss of advantageous alleles from the population.

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Definitions:

Mental Processes

Internal, covert activities of our minds, including thinking, reasoning, and memory.

Psychoanalytic

A psychological theory or technique that emphasizes unconscious mental processes and early childhood experiences.

Behaviorism

A theory of learning which states that all behaviors are acquired through conditioning processes influenced by the environment, without the need for internal thoughts or feelings.

Psychoanalysis

A therapeutic approach and theory of psychotherapy developed by Sigmund Freud that emphasizes the role of unconscious factors in driving human behavior.