Imagine That at the Beginning of Time on Earth,frogs Were

question 1

Multiple Choice

Imagine that at the beginning of time on Earth,frogs were all different colors of the rainbow.Over generations almost all frogs became green because the color camouflaged them in their leafy environments.This is an example of 

• A)systemic adaptation.
• B)species heredity.
• C)natural selection.
• D)cultural evolution.