Question

Which of the following best describes "adaptation"?

•Pelvic bones in modern day whales and tail bones in humans.

•Certain variations allow an individual to survive and reproduce more often than
others, so over time more individuals in the population will have the successful trait.

•The climate changed which caused there to be less food for jaguars and they faced
extinction.

Answer 1

Certain variations allow an individual to survive and reproduce more often than

others, so over time more individuals in the population will have the successful trait.

* adaptation - adjustment to environmental conditions: such as

a

: adjustment of a sense organ to the intensity or quality of stimulation

b

: modification of an organism or its parts that makes it more fit for existence under the conditions of its environment : a heritable physical or behavioral trait that serves a specific function and improves an organism's fitness or survival