 <translate> Biomass is the total mass of organisms at a trophic level. Most living things are called organisms. Biomass is the total mass of living things at a trophic level.
So, the answer is (A). <yor> Biomass ni iye gbogbo àwọn ohun alààyè tó wà ní ìpele trophic. Ọ̀pọ̀ jù lọ ohun alààyè la máa ń pè ní ohun alààyè. Biomass ni iye gbogbo àwọn ohun alààyè tó wà ní ìpele trophic. Nítorí náà, ìdáhùn náà ni (A). 