The Aquatic Ecosystem with the Least Amount of Inorganic Matter

question 53

Multiple Choice

The aquatic ecosystem with the least amount of inorganic matter is

• A) estuaries.
• B) coral reefs.
• C) open oceans.
• D) lakes.
• E) swamps. Aquatic systems are limited by the amount of inorganic matter. Thus the aquatic system with the least amount of inorganic matter is the one that has the lowest primary productivity, which is open oceans.

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Definitions:

Negative Reinforcer

A stimulus whose removal or avoidance following a behavior increases the likelihood of that behavior occurring again in the future.

Conditioned Stimulus

A formerly neutral signal that, once it is linked with an unconditioned stimulus, ultimately evokes a conditioned response.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any prior learning.

Immediate Reinforcers

Immediate reinforcers are stimuli that follow a behavior and increase the likelihood of its repetition shortly thereafter.