What are the differences between autotrophic nutrition and heterotrophic nutrition?

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Autotrophic nutrition Heterotrophic nutrition
$(i)$ Food is synthesized from simple inorganic raw materials such as $CO_2$ and water.$(i)$ Food is obtained directly or indirectly from autotrophs. This food is broken down with the help of enzymes.
$(ii)$ Presence of green pigment (chlorophyll) is necessary.$(ii)$ No pigment is required in this type of nutrition.
$(iii)$ Food is generally prepared during daytime.$(iii)$ Food can be obtained or processed at all times.
$(iv)$ All green plants and some bacteria exhibit this type of nutrition.$(iv)$ All animals and fungi exhibit this type of nutrition.

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