If the Cumulative Mass of Organisms in a Biome Was

Multiple Choice

If the cumulative mass of organisms in a biome was hypothetically held constant,but the area of the biome was reduced,how would biomass be affected?

A) It would not be affected
B) Biomass would decrease because it is proportional to area
C) Biomass would increase because it is per unit area
D) Biomass would decrease because it is per unit area