According to Your Textbook, the Best Way to Judge a Theory

question 80

Multiple Choice

According to your textbook, the best way to judge a theory is by its

• A) truthfulness.
• B) usefulness.
• C) concreteness.
• D) literary value.

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Definitions:

Hybrid Sterility

A condition in which offspring from the crossing of two different species or distinct parental lines are incapable of producing fertile offspring.

Temporal Isolation

A form of reproductive isolation where two species breed at different times of day, season, or years, preventing interbreeding.

Sexual Isolation

A mechanism of evolutionary divergence where different species or populations can no longer interbreed due to behavioral or genetic barriers.

Gametic Isolation

A prezygotic barrier where gametes (egg and sperm) of different species are incompatible, preventing fertilization.