Differentiation of cells is responsible for which feature of complex organisms? Without differentiation, complex organisms would not– A. require nutrients for growth.
B. be multicellular.
C. have specialized tissues.
D. respond to their environment.

I think it will be

b)be multicellular

Differentiation of cell is the process by which cell becomes spesialized in order to perform different functions))

1. a tropical dry forest carries out more rapid nutrient cycling

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!