When biologists speak of the "fitness" of an organism they are referring to:
A)its strength.
B)its beauty.
C)its resistance to disease.
D)the size of its gene pool.
E)the number of its surviving offspring.

Question

Quizplus · Accepted Answer

Biological fitness refers to an organism's ability to survive and reproduce, thereby passing on its genes to the next generation. The number of surviving offspring is a direct measure of this fitness.

When Biologists Speak of the "Fitness" of an Organism They