The Figure Below Shows the Net Primary Productivity (NPP)in Marine

question 74

Multiple Choice

The figure below shows the net primary productivity (NPP) in marine biomes around the world.
The pattern of NPP in marine ecosystems as shown above suggests that

• A)marine productivity is as sensitive to temperature as terrestrial productivity.
• B)without shade from overhead vegetation, marine productivity typically exceeds that found in terrestrial ecosystems.
• C)marine ecosystems are also limited by sunlight, with the highest productivity at the equator.
• D)most marine productivity results from the input of terrestrially derived nutrients.

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Definitions:

Nonvolatile Memory

A memory designed to retain its data while its power supply is turned off.

Programmed Contents

Data or instructions that have been configured into a system or device to control its operation.

Operating Power

The amount of power required by a device or system to perform its designated functions under normal conditions.

Optical Isolation

Electrical separation of two circuits with the use of an optical coupler.