-->

Life Processes

Question
CBSEENSC10014428

What are the differences between autotrophic nutrition and heterotrophic nutrition?

Solution

Autotrophic nutrition

Heterotrophic nutrition

1. Food is synthesized from simple inorganic raw materials like CO2, sunlight and water.

1. Food is obtained and broken down into simple molecules.  

2. It is mainly of two types – photoautotrophic and chemo autotrophic nutrition.

2. It may be holozoic, saprozoic, parasitic, etc.

3. They depend on solar energy directly.

3. They depend on solar energy indirectly.

4. Presence of pigment like chlorophyll is necessary.

4. Presence of pigment is not necessary.

5. Example – plants and certain bacteria.

5.Examples-  All animals