What is the best definition of “fitness” in terms of evolution?

a. The amount of lean muscle mass in an organism

b. The ability of an organism to exercise for a long period of time

c. An organism’s ability to survive to an old age

d. An organism’s ability to survive and produce fertile offspring

Respuesta :

Answer:

c. An organism’s ability to survive to an old age

Explanation:

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I say A but leaning more so to C & D… could be out of those three but C makes a lot of sense