Which of the Following Explains Why Fewer Animals Live in Freshwater

question 63

Multiple Choice

Which of the following explains why fewer animals live in freshwater than in the ocean?

• A) Freshwater is turbulent.
• B) Freshwater generally contains less food.
• C) Freshwater maintains a constant oxygen content.
• D) Freshwater is generally hypotonic to tissue fluids.
• E) Freshwater temperatures do not fluctuate much.

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Definitions:

Conditioned Stimulus

A conditioned stimulus is a previously neutral stimulus that, after being repeatedly paired with an unconditioned stimulus, begins to evoke a conditioned response.

Specific Stimulus

A particular environmental factor or event that elicits a specific response from an organism.

Spontaneous Recovery

The reappearance of a previously extinguished conditioned response after a pause.

Drug Cravings

Intense desires or urges for the repeated use of substances despite potential negative consequences.