Course

Introductory Biology

Study Pack

Set 29 Energy Flow And Nutrient Cycling In Ecosystems

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Question 1

(Multiple Choice)

Free
The amount of energy captured by plants and made available to consumers in an ecosystem is called

A) energy pyramid.
B) biological magnification.
C) nutrient cycling.
D) net primary productivity.
E) secondary trophic level.

Answer

Question 2

(Multiple Choice)

Free
If the plants in a community produce 500 grams of organic matter per square meter per year that is available for animals in the community to eat, this amount of energy is known as the

A) availability factor of the community.
B) trophic factor of the community.
C) net primary productivity of the community.
D) secondary productivity of the community.
E) consumership of the community.

Answer

Question 3

(Multiple Choice)

Free
What are the most basic components of all ecosystems?

A) Producers, consumers, and decomposers
B) Volcanoes, wind, oceans, and other abiotic parts
C) Nutrients and energy
D) Communities of organisms
E) The living, or biotic part, and the abiotic

Answer