Question

What are the differences between autotrophic and heterotrophic nutrition

Answer 1

The act or process of nourishing or being nourished specifically : the sum of the processes by which an animal or plant takes in and utilizes food substances foods that are necessary for human nutrition.

Autotrophic nutrition :  

• In this mode of nutrition, food is synthesized from the inorganic substances.

• For autotrophic nutrition, chlorophyll and sunlight are required.

• Food is generally prepared at day time.

• All green plants and some bacteria possess autotrophic mode of nutrition.

• Organism prepares its own food.

• It is independent for its food requirements.

• eg :green plants

Heterotrophic nutrition :

• All fungi and animals possess heterotrophic mode of nutrition.
• Food can be obtained any time.
• For heterotrophic nutrition, chlorophyll and sunlight are not required.

• In this mode of nutrition,  food is obtained from the autotrophs or another organisms.

• It depends on plants for food requirements

• Organism does not prepare its own food.  

• eg :animals, human beings etc.

hope it helps ..............

Answer 2

Autotrophs

Autotrophs are organisms that prepare their own food through the process of photosynthesis

Heterotrophs

Heterotrophs are organisms that cannot prepare their own food and depend upon autotrophs for nutrition.