In Nature, the Populations of Two Animals, One of Which

question 189

Short Answer

In nature, the populations of two animals, one of which preys upon the other (such as foxes and rabbits) are observed to oscillate with time, and are found to be well approximated by trigonometric functions. The population of foxes is shown in the graph below. How many foxes will there be in 15 months?

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Definitions:

Meningitis

An acute inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges, which can be caused by infection with viruses, bacteria, or other microorganisms, and in some cases by certain drugs.

Convulsions

Involuntary, rapid, and uncontrollable muscle contractions often caused by electrical disruptions in the brain.

CSF

Cerebrospinal Fluid; a clear, colorless body fluid found in the brain and spinal cord, providing cushioning and maintaining a stable environment for the central nervous system.

Shock Absorber

A mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy, often used in vehicles and other systems requiring vibration control.