Why is there less biomass at the top of the energy pyramid?

Question

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1 point
Secondary and tertiary consumers aren't included in a biomass pyramid.
Secondary and tertiary consumers have to consume a lot more food to support themselves, so there are fewer of them.
Secondary and tertiary consumers are the same in terms of biomass
none of the above

Answer 1

Secondary and tertiary consumers have to consume a lot more food to support themselves, so there are fewer of them.