By the 1900s There Were Vaccines for All of the Following

question 49

Multiple Choice

By the 1900s there were vaccines for all of the following EXCEPT:

• A) rabies.
• B) anthrax.
• C) smallpox.
• D) hepatitis.
• E) measles.

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Definitions:

Evolution

The process by which different kinds of living organisms are believed to have developed from earlier forms during the history of the earth.

Genetic Trait

An attribute or characteristic that is passed from parents to offspring through genes.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, emphasizing the effect of consequences on behavior.

Classical Conditioning

A teaching approach where an association is made between a stimulus found in the environment and one that happens inherently.