A Large Group of One-Celled Organisms That Are Found in Freshwater

question 18

Multiple Choice

A large group of one-celled organisms that are found in freshwater and marine habitats,and in moist soil,are:

• A)algae.
• B)protozoa.
• C)fungi.
• D)rickettsiae.

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Definitions:

Contingent Reinforcement

A method where the provision of rewards or consequences is directly dependent on the display of specific behaviors.

Reinforcer

Any stimulus that strengthens or increases the probability of a specific response or behavior by being presented after that response or behavior.

Reinforcer

Any stimulus that strengthens or increases the probability of a specific response or behavior by the means of positive or negative reinforcement.

Frequency

The rate at which something occurs or is repeated over a particular period or in a given sample.