Identify the Critical Factors in the Evolution of Bipedalism

question 13

Essay

Identify the critical factors in the evolution of bipedalism.Include the primary theories about why humans became bipedal, and list the biological changes that take place.

---

Definitions:

Steroidal

Pertaining to steroids, a large class of organic compounds with a characteristic molecular structure that includes many hormones, alkaloids, and vitamins.

Cell Membranes

The semipermeable membrane surrounding the cytoplasm of a cell, responsible for controlling the movement of substances in and out of the cell.

Hormones

Signaling molecules released by glands which travel through the bloodstream to tissues or organs to regulate physiology and behavior.

Nonsteroidal

Refers to drugs that are not steroids, often used to reduce inflammation or pain without the effects of steroids.