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Energy Transfer Answers

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The conversion efficiency from herbivores to carnivores is the least efficient of the tropic levels with an average conversion of _____.

A
1 – 5%
B
0.5 – 1%
C
7 – 12%
D
15 – 20%
22
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Which of the following statements about entropy is true?

A
Entropy increases going from one trophic level to another.
B
Increases in entropy lead to reversible processes.
C
A system’s work output is limited when changes in entropy do not occur.
D
All of the above
23

Producers are the primary living source of energy in a food web.

A
T
B
F
24

The relationship between the amount of energy available for use and the amount of entropy in a food chain differs between trophic levels. Why would the amount of entropy increase from one trophic level to another in a food chain or energy pyramid?

A
the available energy from one trophic level to another increases
B
energy is lost at each level as heat, which increases randomization
C
the amount of biomass decreases from one trophic level to another
D
the available energy at each level may either increase or decrease, creating randomization
25

Entropy is greater at higher trophic levels than at lower levels.

A
T
B
F
26

Entropy is greater at higher trophic levels than at lower levels.

A
T
B
F

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