Evolutionary biology is the study of

Evolutionary biology is the study of changes and adaptions that occur and occurred in organisms trough-out time, and how these are linked to the diversity of species.

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BioTeacher101

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the peripheral nervous system or pns contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body. the peripheral nervous system's main job is to send information gathered by the body's sensory receptors to the cns as quickly as possible.