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Energy Transformation

Heidi Sanchez avatar Heidi Sanchez
24 July 2022
4.7 (114 reviews)
10 test answers

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question
Primary producers generally form the smallest trophic level of a pyramid of energy.
answer
False
question
Which of the following is not true concerning the flow of energy through an ecosystem?
answer
d. Most of the energy from photosynthesis flows out as heat.
question
Which of the following is a product of respiration resulting from the breaking of carbon-carbon bonds?
answer
c. carbon dioxide
question
Most energy enters ecosystems in the form of sunlight.
answer
True
question
Primary productivity is not limited by _______.
answer
b. time
question
Energy must be transformed in ecosystems because _______.
answer
d. all of the above
question
Which of the following best describes the solar radiation absorbed by and radiated from earth?
answer
d. Earth's surface absorbs little of the energy that strikes as solar radiation.
question
What percentage of the energy flowing through primary producers is ultimately transferred to secondary consumers?
answer
c. 1%
question
Energy in most ecosystems must flow through autotrophs because ______.
answer
a. only autotrophs can convert solar energy into chemical energy
question
The energy value listed for foods refers to the _______.
answer
b. amount of energy available as fuel for the body