1. Autotrophs Nutrition prepares organic food by using photosynthesis.
2. It is manly of – photoautotrophic and chemo autotrophic nutrition.
3. photoautotrophic and chemo autotrophic nutrition depend on solar energy only .
4. In this process CO2 (Carbon) is taken in and O2 (Oxygen) is released outside.
1. Heterotroph Nutrition depends on autotrphs for its food.
2. It depends on solar energy indirectly.
3. The food is taken into the body and undigested food comes outside.