Energy Transfer Answers

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

The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund How would the amount of available energy differ in the trophic level of the mouse compared to the trophic level of the hawk? a. Available energy would increase from the mouse to the hawk. b. Available energy would decrease from the mouse to the hawk. c. Available energy would initially increase from the mouse to the hawk, and then decrease over time. d. Available energy would remain the same from the mouse to the hawk. Please select the best answer from the choices provided

Which of the following levels is the most efficient at energy conversion?a.producersb.primary consumersc.secondary consumersd.tertiary consumers

The amount of available energy changes between the trophic levels found in a food chain or energy pyramid. Photos (left to right) by Mehmet Karatay, Jens Buurgaard Nielsen, Furryscaly, and Walter Siegmund In the food chain shown, which of the following changes between trophic levels would have the highest energy conversion efficiency? a. leaf to mouse b. mouse to snake c. snake to hawk d. all changes would have the same efficiency Please select the best answer from the choices provided

Carnivores that feed on other carnivores are _______.a.tertiary consumersb.secondary consumersc.primary consumersd.producers

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

Which of the following is the most likely flow of energy in an aquatic ecosystem? a. phytoplankton → mammal → zooplankton → fish b. phytoplankton → zooplankton → fish → mammal c. zooplankton → phytoplankton → mammal → fish d. mammal → fish → zooplankton → phytoplankton Please select the best answer from the choices provided

Which of the following organisms in the soil food chain does not obtain energy directly from plants?a.bacteriab.fungic.protozoad.nematodes

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

How are gross production and net production different?a.Net production is always greater than gross production.b.Net production is always less than gross production.c.Only animals have net production.d.Only plants have net production.