Question

(b) What is the difference between autotrophic nutrition and heterotrophic nutrition?

Answer 1

	Autotrophic nutrition	Heterotrophic nutrition
1	The mode of nutrition in which an organism manufactures or synthesizes its own food from the simple inorganic materials such as carbon dioxide and water present in the surroundings (with the help of sunlight energy) is called autotrophic nutrition.	The mode of nutrition in which an organism cannot manufacture or synthesise its own food from simple inorganic materials such as carbon dioxide and water, and depends on other organisms for its food is called heterotrophic nutrition.
2	Example - All green plants and some bacteria show autotrophic nutrition.	Example - All animals and most bacteria & fungi show heterotrophic nutrition.