when a consumer eats a producer, 10 percent of the producers energy is passed on to the consumer trophic level. what happens to the other 90%?

a. it is consumed and used by the consumer

b. it is used by the producer to pass on to the next trophic level

c. it is added back to the soil by decomposers

d. it is used for cell processes or released as heat.

why is there biomass at the top of the energy pyramid?

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

b. secondary and tertiary consumers live longer, so there are fewer of them because they reproduce more slowly

c. secondary and tertiary consumers are larger, so there are fewer of them

d. secondary and tertiary consumers have bigger ranges, so there are fewer of them because they each need a lot of space