A. They are autotrophic
B. They have cell walls made of cellulose
C. They are multicellular and heterotrophic
D. They are unicellular
Answer: They are multicellular and heterotrophic
A. They are autotrophic
B. They have cell walls made of cellulose
C. They are multicellular and heterotrophic
D. They are unicellular
Answer: They are multicellular and heterotrophic
Additional Information: Animals are multicellular organisms that obtain food by consuming other organisms.
Subjects: Biological Classification, Biology