The measure of an organism's ability to compete in the struggle for existence is known as
A) fitness.
B) adaptation.
C) the phenotype.
D) aptation.

Name: The measure of an organism's ability to compete in the struggle for existence is known as A) fitness. B) adaptation. C) the phenotype. D) aptation.
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Question

Quizplus · Accepted Answer

Fitness refers to the ability of an organism to survive and reproduce in its environment, thus competing effectively in the struggle for existence.

The Measure of an Organism's Ability to Compete in the Struggle