CBSE Notes, Lectures

CBSE - Biology - Life Processes

Life Processes

NCERT In Text

What are the differences between autotrophic nutrition and heterotrophic nutrition?
Autotrophic nutrition Heterotrophic nutrition
(i) Food is synthesised from simple inorganic raw materials such as CO2 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 day time. (iii) Food can be prepared at all times
(iv) All green plants and some bacteria have this type of nutrition. (iv) All animals and fungi have this type of nutrition.
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