EvolutionEasyBloom L3

Question

In evolutionary terms, an organism's fitness is measured by its

Options

A.health
B.contribution to the gene pool of the next generation
C.mutation rate
D.genetic variability

Solution

Sol.(b) [Key Concept: Fitness — Contribution to the Gene Pool] In evolutionary terms, fitness means reproductive fitness — an organism's contribution to the gene pool of the next generation. An organism that survives and reproduces successfully, passing its genes to more offspring, has higher fitness. Physical health, size, or strength are only relevant insofar as they contribute to reproductive success.

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