The Graph Below Shows Cycles of Predators (Lynx) and Prey

question 124

Multiple Choice

The graph below shows cycles of predators (lynx) and prey (snowshoe hares) over nearly a century.During this time, people were trapping both lynx and hares, thus limiting their populations. If trapping of both species declined, what changes would be expected to occur in the hare and lynx populations?

• A) Cycles would continue but probably at higher levels.
• B) Cycles would continue but probably at lower levels.
• C) Both hare and lynx populations would increase, and cycles would stop.
• D) Both hare and lynx populations would decrease, and cycles would stop.
• E) Both hare and lynx populations would increase to their carrying capacities and level off.

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Definitions:

Chemical Barrier

A chemical barrier refers to a mechanism of defense provided by the secretion of chemicals that deter pathogens or predators.

Pathogens

microorganisms that cause diseases in their hosts.

Foreign Substance

Any material or substance that is not naturally part of an object or body and may be harmful or benign.

Disease-causing Agent

An organism or substance that is capable of producing disease, such as bacteria, viruses, or toxins.