Question

__________ refers to the ability of an individual to survive and reproduce, whereas __________ is any inherited characteristic that increases one’s chance of survival.
a. Adaptation . . . fitness
b. Natural selection . . . fitness
c. Fitness . . . adaptation
d. Adaptation . . . natural selection

Answer 1

The answer would be : c. Fitness . . .adaptation

An organism's physical fitness really played a major role on its capability to survive in the environment.
After a prolonged period of time, its off spring will inherited some sort of characteristic that make them more capable of surviving in a secific environment

Answer 2

The answer is C, fitness... adaptation.

Fitness refers to the ability of an individual to survive and reproduce. In biology the term is used to reflect how well an organism is adapted to its environment; reproductive success is a trait that is key to understanding this concept, an organism is described as "fit" because of how succesfull they reproduce.

Adaptation is any inherited characteristic that increases one's chance of survival. Adaptation is the result of different traits and characteristics developed in the genes of organisms throughout generations in order to survive and reproduce. In this case, these characteristics are inherited.