Question

Which of the following is the best measure of the relative fitness of an organism in a population?

• A. The number of times it mates during its lifetime
• B. The size of the offspring it produces
• C. The number of offspring it produces each year
• D. The number of offspring it produces during its lifetime
• E. The number of offspring it produces during its lifetime that survive and successfully reproduce

Answer 1

The correct option is E The number of offspring it produces during its lifetime that survive and successfully reproduce

Option 'E' is correct

Relative fitness is defined as the survival and reproductive rate of genotype or phenotype relative to the maximum survival and the reproductive rate of other genotypes in the population.