Heterotrophic nutrition

Heterotrophic nutrition is the mode of nutrition in which organisms depend upon another organisms to survive. All animals and non green plants are heterotrophic.

Heterotrophic organisms have to acquire and take in all the organic substances they need to survive.

All heterotrophs (except blood and gut parasites) have to convert solid food into soluble compounds capable of being absorbed (digestion). When the soluble products of digestion of the organism where complex materials (assimilation) are broken down for the release of energy (respiration). All heterotrophs depend on autotrophs for their nutrition. Heterotrophic plants have only 4 types-

The three main types of heterotrophic nutrition are:

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