The pyramid shows how biomass changes between trophic levels of an ecosystem.

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Which explains how the biomass at the top of the pyramid will change if a fire destroys a large percentage of the grasses in this ecosystem?

a
It will increase because the amount of energy lost as heat between the first trophic level and second trophic level will decrease.
b
It will decrease because there will be a greater number of organisms at the second trophic level to support the higher trophic levels.
c
It will decrease because the amount of chemical energy photosynthesis generates will not be enough to support higher trophic levels.
d
It will increase because the fire increases the efficiency of energy transfer and prey aquisition at higher trophic levels.

c

It will decrease because the amount of chemical energy photosynthesis generates will not be enough to support higher trophic levels.