14
QuizMultiple Choice

Freshwater and Marine Biomes — Unit test

Question 14 • 26-27 - C - RUSD Environmental Science S1

A recent study has shown an increase in the number of predators in an ecosystem. Which of the following is a possible cause for the growth?

Answer
A
A decrease in the population of prey it feeds on.
B
An increase in the population of prey it feeds on
C
A decrease in the biodiversity of the ecosystem
D
An increase in the number of predators that feed on it

Explanation

When the population of prey increases, predators have more food available. With a reliable food supply, more predators may survive and reproduce, causing their population to grow. Therefore, the possible cause is an increase in the population of prey it feeds on.

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