AP BIOLOGY

Detailed explanation-1: -An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment.

Detailed explanation-2: -In biology, fitness is the ability of an organism to survive and reproduce.

Detailed explanation-3: -In the crudest terms, fitness involves the ability of organisms-or, more rarely, populations or species-to survive and reproduce in the environment in which they find themselves 6–9. The consequence of this survival and reproduction is that organisms contribute genes to the next generation.

Detailed explanation-4: -Biological fitness, also called Darwinian fitness, means the ability to survive to reproductive age, find a mate, and produce offspring.

Detailed explanation-5: -To an evolutionary biologist, fitness simply means reproductive success and reflects how well an organism is adapted to its environment.