I think the answer is nitrogen fixation.
The answers are B, C and E :)
Answer:
amino acids
Explanation:
proteins are organic matter molecules that perform multitude of function in the body
Mutations and natural selection cause adaptations. Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations.
Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment.
