The correct answer to the question Which of the following was an early realization that gave rise to Darwin's theory of natural selection? is D The earth and its organisms have changed through time.
Answer:
an enzyme is a biological catalyst that increases the rate of a chemical reaction.
Explanation:
so it is true
They loosen up to be tighten again
Answer:
become extinct over time......
Answer:
C, Both parents have the blue-eyed gene.