Which one of these statements about fitness is most accurate? A. Fitness is a measure of strength & health B. Fitness may change at a population level, but is constant for an individual C. Fitness can only be measured at the population level D. Fitness is a measure of reproductive success E. Fitness is an overall measurement that applies to all evolutionary mechanisms

Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter19: Evolutionary Change In Populations
Section19.1: Genotype, Phenotype, And Allele Frequencies
Problem 3C: INTERPRET DATA In a human population of 1000, 840 are tongue rollers (360 TT and 480 Tt), and 160...
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Which one of these statements about fitness is most accurate?

A. Fitness is a measure of strength & health

B. Fitness may change at a population level, but is constant for an individual

C. Fitness can only be measured at the population level

D. Fitness is a measure of reproductive success

E. Fitness is an overall measurement that applies to all evolutionary mechanisms

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The degree to which a person is successful in creating progeny who can then produce progeny of their own is referred to as reproductive success. Individuals differ in their ability to successfully find mates and reproduce. Natural selection is based on reproductive success differences. Over generations, the genetic and behavioural qualities that lead to the most reproductive success persist in a population, whereas ones that contribute to poor reproductive success become extinct.

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