Which of the Following Is an Example of Density-Independent Population

question 115

Multiple Choice

Which of the following is an example of density-independent population regulation?

• A) A contagious disease sweeps through a dense population of squirrels but leaves a less dense population relatively untouched.
• B) Predators of lemmings search widely for places where lemmings are abundant and concentrate their hunting in those areas.
• C) An outbreak of a moth species leads to a depletion of the food supply. As a result, the next generation of moths is underfed and produces few offspring.
• D) When lemmings are abundant, arctic foxes switch from a primary diet of mice to a primary diet of lemmings.
• E) An early cold spell kills 80 percent of the sparrows in a particular area.

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Definitions:

DMM

Stands for Digital Multimeter, an instrument that measures electrical values such as voltage, current, and resistance.

Current Flow

The movement of electric charge carriers, like electrons, through a conductor or circuit, creating electric current.

Inductive Measurement

A technique for measuring a property or component by utilizing the principle of inductance or the change in inductance in a system.

Magnetic Field

An invisible field around magnetic materials where magnetic forces are exerted.