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

A. Specification
B. Inorganic Evolution
C. Evolution
D. Organic Evolution

Correct Answer: Option D

D. Organic Evolution

Explanation

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