Refer to the Figure

question 49

Multiple Choice

Refer to the figure.
The figure shows results of Steadman's study of bird species on the Pacific Islands. According to this figure, the study demonstrated that

• A) humans have had an impact on ecosystems for thousands of years.
• B) Earth's biota is becoming increasingly homogenized.
• C) extinctions eliminate individual species but have little effect on ecological communities.
• D) it is difficult to determine when a species becomes extinct.

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Definitions:

Embalm

A process designed to preserve the body of a deceased person by delaying decomposition using chemicals.

American Experience

A reference to the collective history and cultural identity of the United States, encompassing its diverse peoples, traditions, and values.

Cryonics

A method of subjecting a corpse to extremely low temperatures through the use of dry ice and liquid nitrogen.

Euphemisms

Mild or indirect words or expressions substituted for ones considered harsh or blunt when referring to something unpleasant or embarrassing.