The Four Most Common Elements in Living Organisms Are

question 10

Multiple Choice

The four most common elements in living organisms are

• A)C,H,O,Na.
• B)C,N,O,Na.
• C)C,H,O,N.
• D)C,H,O,Fe.

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Definitions:

Human Nucleus

Refers to the central part of a cell in humans that contains most of the cell's genetic material.

Charles Darwin

A British naturalist known for his contributions to the science of evolution and his theory of natural selection.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

British Naturalist

A scientist from Britain who studies the natural world, especially plants and animals.