Which of the Following Is Required for Natural Selection to Occur

question 20

Multiple Choice

Which of the following is required for natural selection to occur in a population?

• A)heritable variation
• B)accumulation of adaptive traits
• C)differential reproduction
• D)All of the choices are correct.

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Definitions:

Secondary Immune Response

The rapid production of antibodies induced by a second exposure to an antigen several days, weeks, or even months after the initial exposure.

Antigenic Determinants

Specific parts of a foreign protein or pathogen that the immune system recognizes and responds to, also known as epitopes.

Sabin Polio

A type of oral polio vaccine developed by Albert Sabin that contains a weakened form of the polio virus, used to induce immunity against poliomyelitis.

Culturing

Culturing refers to the process of growing cells, bacteria, or other microorganisms under controlled conditions, usually in a nutrient medium.