The answer to your question is


Enzymes help break down carbohydrates, fats, and proteins.
I hope this helps!
I would say "gene", as it is the basic unit of heredity.<span />
The three d's for group-living primates are detection, deterrence, and dilution. The primates are being preyed upon. Because of this, they developed defenses in order to protect themselves. The three d's of group-living primates are used in order to protect themselves to potential threat.