What Biochemical Clues Support the Idea That All Living Things

question 33

Essay

What biochemical clues support the idea that all living things evolved from one common ancestor?

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Definitions:

Peripheral Nervous System

A portion of the nervous system that consists of the nerves outside the brain and spinal cord, connecting the central nervous system to limbs and organs.

Autonomic Nervous System

The part of the nervous system responsible for control of bodily functions not consciously directed, such as breathing, the heartbeat, and digestive processes.

Sensory Neurons

Nerve cells responsible for converting external stimuli from the organism's environment into internal electrical impulses.

Motor Neurons

Nerve cells that transmit signals from the brain and spinal cord to muscles, initiating movement.