The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in diversity of forms, structures, and functions among organism is referred to as

A.

Specification

B.

Inorganic Evolution

C.

Evolution

D.

Organic Evolution

Correct answer is D

Organic evolution is the sum total of adaptive changes from pre-existing or old forms that have taken place over a long time resulting in diversity of forms, structures, and functions among organisms.