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  • What are the differences between autotrophic nutrition and heterotrophic nutrition ?

Q. 1.     What are the differences between autotrophic nutrition and heterotrophic nutrition?

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The differences between autotrophic nutrition and heterotrophic nutrition are given below:

Autotrophic Nutrition Heterotrophic Nutrition
(i) Food or source of energy is synthesized by the organism itself by using the energy from sunlight using simpe molecules like H2O and CO2 . (i) The organism is dependent on other organisms for food or source of energy as Heterotrophic organisms cannot prepare their own food.
(ii) A green pigment called chlorophyll is necessary as it entraps the energy from sunlight. (ii) No such pigment is required in this mode of nutrition.
(iii) All green plants and bacteria have this mode of nutrition, (iii) All animals and some fungii have this mode of nutrition.

 

 

 

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