A. They are autotrophic
B. They have a true nucleus
C. They are multicellular and heterotrophic
D. They lack a cell wall
Answer: They are multicellular and heterotrophic
What is the main distinguishing feature of the kingdom Animalia?
Additional Information: Organisms in the kingdom Animalia are multicellular and obtain their nutrients by consuming other organisms.
Subjects: Biological Classification, Biology