Multicellular heterotrophs is the term that best suits the animal kingdom.
Answer: Option D
Explanation:
Organisms in the earth are divided into 2 major categories namely the autotrophs and the heterotrophs. The organisms that can synthesize their own food by means of photosynthesis are termed as autotrophs.
The organisms that depend on other organisms for food are termed as heterotrophs, animals mostly depend on plants for their energy as they cannot synthesize their own food and also most of these animals are multicellular in nature.
