Concept: Heterotrophic Nutrition
The mode of nutrition in which organisms depend on either auto trophs or other heterotrophs, for food, is called heterotropic nutrition.
Example:- Humans, Tigers (all animals).
There are several steps by which heterotropic organism takes nutrition and derives energy:
- Ingestion
- Digestion
- Absorption
- Assimilation
- Egestion
The following video will illustrate how some organisms take in food to derive energy from it.
Amoeba
Vorticella
Paramecium
Hydra
Amphibians
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