Why does biomass change at different levels?

With less energy at higher trophic levels, there are usually fewer organisms as well. Organisms tend to be larger in size at higher trophic levels, but their smaller numbers result in less biomass.The decrease in biomass from lower to higher levels is also represented by Figure above.

Explanation:

hope it's helpful to you

Biomass can be lost between stages because not all of the matter eaten by an organism is digested. Some of it is excreted as waste such as solid faeces , carbon dioxide and water in respiration and water and urea in urine.

Explanation:

Its b I took the test