Energy Flow and the 10% Rule
AP Environmental Science · Flashcards · Application
AP ENVIRONMENTAL SCIENCE · FLASHCARDS
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QUESTION
Calculate the energy loss if 5000 J is reduced to 500 J in the next level.
QUESTION
What is the energy efficiency of a trophic level if 25 J is transferred from 250 J?
QUESTION
Determine the energy at the third trophic level if 1000 J is at the first.
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ANSWER
10 J. Two 10% transfers:
1000
×
0.1
×
0.1
=
10
1000 \times 0.1 \times 0.1 = 10
1000
×
0.1
×
0.1
=
10
J.
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