Question

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Which of the following best explains why ecosystems need a continual influx of new energy?
a.
Photosynthesis feeds herbivores, carnivores, and decomposers.
b.
As energy is recycled, a small amount is lost as heat.
c.
Energy flows through an ecosystem and cannot be recycled.
d.
Cellular respiration does not feed back into other processes.


Please select the best answer from the choices provided

A
B
C
D

Answer 1

C

Energy flows through ecosystems and cannot be recycled; much of it is lost as heat, so ecosystems need a continual input (usually from the Sun).