Which group of organisms includes only multicellular heterotrophs?
a. protists
b. bacteria
c. plants
d. animals

Ans. (d). animals.

Heterotrophs are those organisms that cannot synthesize their own food and depend on autotrophs (such as photosynthetic bacteria and green plants) for food.

Animals are multicellular, eukaryotic heterotrophs that obtain food from plants or plant products. Bacteria are prokaryotic, single-celled organisms, while protists may either unicellular or multicellular.

Thus, the correct answer is option (d).

idk im sorry.