Answer: The fourth answer
Explanation: The alternating sequence of complementary bases is what determines traits found in organisms
B. The brain reacts to excessive dopamine levels by increasing the number of dopamine receptors.
A, D, and not sure but maybe E
There are many different factors, but some are: the amount of natural resources (food, water, etc.), amount of predator/prey, and availability of shelter.
No clue. So sorry… I need points….
