What Single Environmental Factor Is Most Likely to Shift the Geographic

question 14

Short Answer

What single environmental factor is most likely to shift the geographic ranges of many species, thus altering regional patterns of diversity?

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Definitions:

Musculocutaneous Nerve

A nerve in the arm that innervates the muscles of the anterior compartment of the forearm and provides sensation to the skin over the lateral aspect of the forearm.

Forced Expiration

The act of expelling air from the lungs with effort beyond normal exhalation.

Diaphragm

is the primary muscle used in the process of breathing, separating the thoracic cavity from the abdominal cavity.

External Intercostals

Muscles located between the ribs that help expand the chest cavity during inhalation.