What Is the Ultimate Source of Energy for Almost All

question 23

Multiple Choice

What is the ultimate source of energy for almost all forms of life on Earth?

• A) Thermal energy
• B) Solar energy
• C) Nuclear energy
• D) Chemical energy
• E) Heat energy

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Definitions:

Microvilli

Structures found in the lining of the small intestine. They greatly increase the surface area of the small intestine so that it can absorb many nutrients.

Small Intestine

A long, coiled tube in the digestive system where most of the absorption of nutrients takes place.

Surface Area

The total area covered by the outer layer of an object, measured in square units.

Lymphatic Tissue

Specialized tissue in the lymphatic system involved in immune responses.