An Experiment Is a Controlled Test of a Hypothesis in Which

question 109

True/False

An experiment is a controlled test of a hypothesis in which the researcher manipulates one variable to discover its effect on another.

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Definitions:

Naturally Acquired Active Immunity

Immunity that develops after exposure to antigens from pathogens, resulting in the formation of antibodies and memory cells.

Immunization

The process by which an individual's immune system becomes fortified against an agent (known as the immunogen).

Disease-Causing Organism

A pathogen, such as bacteria, viruses, fungi, or parasites, that can infect humans and animals, leading to disease.

Mucous Membranes

The moist tissue linings of various body cavities, including the mouth, nose, throat, and reproductive tract, that protect against infection.