the feature that distinguish animals from organisms in other multicellular kingdoms is that the animals are ingestive heterotrophs. Animals ingest food through the mouth and digest it in the digestive system but other organisms they absorb food through the body walls and digest by secreting enzymes or acids. Solution the feature that distinguish animals from organisms in other multicellular kingdoms is that the animals are ingestive heterotrophs. Animals ingest food through the mouth and digest it in the digestive system but other organisms they absorb food through the body walls and digest by secreting enzymes or acids..