Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.
It should be natural selection since there is no external influence implied. (like environment or genetic mutations.)
They are formed into polymers.
There are four phases to the cell cycle: G1, where the cell grows; S phase, where DNA is duplicated; G2, where the cell makes final preparations for cell division; and M phase, where the cell enters mitosis. Mitosis, or cell division, is only a small part of the cell cycle
The genotypic ratio of their offspring is 100% Ee.
Hope this helps! God bless
-vf