Answer: Cholesterol helps your body build new cells, insulate nerves, and produce hormones.
Explanation:
a compound of the sterol type found in most body tissues. Cholesterol and its derivatives are important constituents of cell membranes and precursors of other steroid compounds, but a high proportion in the blood of low-density lipoprotein (which transports cholesterol to the tissues) is associated with an increased risk of coronary heart disease.
Answer:
This barrier prevents the individuals on one side from reproducing with the individuals on the other.
Explanation:
Hope this helps
D and f as they both branch out to G, resulting in competition as to which organisms can get to G first
