During the First Major Divergence of Life, the Atmosphere Was

question 10

Multiple Choice

During the first major divergence of life, the atmosphere was ____.

• A) ​high in oxygen, high in carbon dioxide
• B) ​high in hydrogen, low in oxygen
• C) ​changing from anaerobic to aerobic
• D) ​firmly in the age of aerobes
• E) ​high in oxygen, low in carbon dioxide

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Definitions:

Skin Temperature

The surface temperature of the body, which can reflect overall body temperature and changes in blood flow.

Dorsal Surface

The upper or back side of the body or body part, opposite to the ventral or front side.

Palmar Surface

The front region of the hand that extends from the wrist to the bases of the fingers.

Ophthalmoscope

A medical instrument used by healthcare professionals to examine the interior structures of the eye, including the retina and optic nerve.