Dictyostelium Discoideum Straddles the Boundary Between Unicellular and Multicellular

Multiple Choice

Dictyostelium discoideum straddles the boundary between unicellular and multicellular.Its feeding phase consists of individual amoeba-like cells that move independently,feeding on bacteria.When the food runs out,cells begin to aggregate into a multicelled structure.The cells differentiate into a base,stalk,and spores;only the spores survive to colonize a new habitat.Dictyostelium discoideum is which of the following?

A) an autotroph
B) a heterotroph and autotroph
C) a heterotroph
D) a detritovore
E) a heterotroph and detritovore