 
 <translate> Biomass is the total mass of organisms at a trophic level. An organism is a living thing. Biomass is the total mass of living things at a trophic level.
So, the final answer is (E). <hau> Biomass shine jimlar kwayoyin halitta a matakin trophic. Kayan halitta abu ne mai rai. Biomass shine jimlar yawan rayayyun halittu a matakin trophic. Amsar ita ce (E). 