Energy that is not passed on from one trophic level to the next is _______. |
a. lost as heat |
The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. |
a. leaf to mouse |
Which of the following statements about entropy is true? |
a. Entropy increases going from one trophic level to another. |
Which of the following is the most likely flow of energy in an aquatic ecosystem? |
b. phytoplankton ® zooplankton ® fish ® mammal |
Producers are the primary living source of energy in a food web. |
True |
The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. |
b. Available energy would decrease from the mouse to the hawk. |
Entropy is greater at higher trophic levels than at lower levels. |
True |
Gross production is the amount of energy left after cellular respiration. |
False |
How are gross production and net production different? |
b. Net production is always less than gross production. |
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? |
b. energy is lost at each level as heat, which increases randomization |
Energy Transfer
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