Describe a Trait That Gave Humans a Selective Advantage in Local

question 18

Essay

Describe a trait that gave humans a selective advantage in local environments.

---

Definitions:

Ischemia

A condition characterized by insufficient blood flow to a part of the body, leading to a shortage of oxygen and nutrients that can cause damage or dysfunction.

Superior Mesenteric Artery

A major artery that supplies blood to a large portion of the lower part of the small intestine and the beginning of the large intestine.

Pancreas

A gland located behind the stomach that produces digestive enzymes and hormones, including insulin, important for metabolism and digestion.

Small Intestine

A long, tightly-folded tube where most of the digestion and absorption of nutrients occurs after the stomach.