The Primary Pressure on Species to Change Over Time Is

question 7

Multiple Choice

The primary pressure on species to change over time is what?

• A)natural selection
• B)mutation
• C)adaptation

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Definitions:

Private Duty Nurses

Nurses who are hired directly by patients or their families to provide individualized care usually at the patient's home.

Embedded

Placed or fixed deeply and firmly within a surrounding mass.

Matrix

(1) In cell biology, the interior of the compartment enclosed by the inner mitochondrial membrane. (2) In zoology, nonliving material secreted by and surrounding connective tissue cells; contains a network of microscopic fibers.

Fibers

Stringy structures in plants that give strength and support; also refers to dietary material containing substances such as cellulose.