Question
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 |