According to Most Conservation Biologists, the Single Greatest Threat to Global

question 17

Multiple Choice

According to most conservation biologists, the single greatest threat to global biodiversity is

• A) chemical pollution of water and air.
• B) stratospheric ozone depletion.
• C) overexploitation of certain species.
• D) alteration or destruction of the physical habitat.
• E) global climate change resulting from a variety of human activities.

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Definitions:

Tuning Fork

A metal instrument that produces a fixed tone when struck, used in hearing tests and in tuning musical instruments.

Hearing

The sensory function that enables the perception of sound, facilitated by the ears.

Sphygmomanometer

An instrument for measuring blood pressure; consists of an inflatable cuff, a pressure bulb used to inflate the cuff, and a device to read the pressure.

Blood Pressure

Blood pressure is the measure of the force that blood exerts on the walls of the arteries as it flows through them.