Which of the Following Statements About the Water Cycle Is

question 24

Multiple Choice

Which of the following statements about the water cycle is false?

• A) There is a net movement of water vapor from oceans to terrestrial environments.
• B) Precipitation exceeds evaporation on land.
• C) Most of the water that evaporates from oceans is returned by run-off from land.
• D) Transpiration makes a significant contribution to evaporative water loss from terrestrial ecosystems.
• E) Evaporation exceeds precipitation over the seas.

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Definitions:

Carbon Cycle

The series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, decay of organisms, and the burning of fossil fuels.

Trophic Levels

The levels in an ecosystem, representing a step in the food chain or food web, characterized by organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.

Natural Food Chains

A sequence of organisms each dependent on the next as a source of food, demonstrating the flow of energy and nutrients in an ecosystem.

Conversion Efficiency

A measure of how effectively a system converts input energy into output energy or work.