Which of the following best serves as the main idea for the passage? A. The relationship between terrestrial species and marine creatures. B. The reasons why species had to change their livin
Which of the following best serves as the main idea for the passage?
A. The relationship between terrestrial species and marine creatures.
B. The reasons why species had to change their living place.
C. The evidences of the time marine animals moved to land.
D. The evolution of marine species in changing places to live.