Explanation:
The method of nutrition which an organism obtains its food from other organism is called heterotrophy.
Heterotrophs are classified as carnivores, omnivores, herbivores, saprotrophs and detrivores.
Animal heterotrophy involves, carnivory, herbivory and omnivory in which they ingest their food as whole and it is digested inside the body.
Fungal heterotrophy involves extracellular digestion of food followed by absorption of digested material through rhizoids.