Which of the following possibilities is the best indicator of an organism's evolutionary fitness?

Question

Quizplus · Accepted Answer

The number of offspring an organism produces over its lifetime that survive to breed is the best indicator of evolutionary fitness. This is because evolutionary fitness is determined by an organism's ability to pass on their genes to the next generation, and the survival and reproduction of their offspring is the most direct measure of this. The number of eggs or gametes produced may not necessarily result in successful reproduction, and the total number of offspring produced may not accurately reflect how many are able to successfully breed and pass on genes to the next generation.

Which of the Following Possibilities Is the Best Indicator of an Organism's