Which of the Following Is Not One of the Principal

question 60

Multiple Choice

Which of the following is not one of the principal types of surfaces used by animals to facilitate gas exchange?

• A) bronchial tubes
• B) body surface
• C) gills
• D) lungs
• E) tracheal tubes

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Definitions:

Vegetative Cover

Plants and trees that cover the ground, reducing soil erosion and influencing the local climate.

Rainfall Intensity

The rate at which rain falls over a given area, measured in millimeters per hour or inches per hour.

Municipal Water

Water that is treated and supplied by a municipal corporation for public use in cities and towns.

Spring Water

Water that flows naturally to the surface from a subsurface aquifer.