Answer:
False
Explanation:
Directional selection is a force in nature that causes a population to evolve towards one end of a trait spectrum. This change happens gradually and is hard to notice over a short period of time. This change is consistent and constant.
Why is it difficult for scientist to find fossils from the pre-Cambrian period
Help with this question
Answer:
Formula
a^2 + b^2 = c^2
a = side of right triangle
b = side of right triangle
c = hypotenuse
Explanation: