Which of the Following Defines a Trophic Cascade

question 33

Multiple Choice

Which of the following defines a trophic cascade?

• A) A trophic cascade occurs when populations of predators and prey are disturbed by some abiotic event.
• B) A trophic cascade occurs when a primary succession unfolds.
• C) A trophic cascade is a process whereby abundances of a predator are reduced, and as a result, the prey's own resources increase in abundance.
• D) A trophic cascade is a process whereby predators reduce abundances of their prey, and as a result, abundances of the prey's own resources increase.

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