Distinguish between phototrophic and heterotrophic nutrition. (3 points)

Dear Student,
  Autotrophic nutrition   Heterotrophic nutrition
1. Food is synthesised from simple inorganic raw materials such as CO2and water. 1. Food is obtained directly or indirectly from autotrophs. This food is broken down with the help of enzymes
2. Presence of green pigment (chlorophyll) is necessary. 2. No pigment is required in this type of nutrition.
3. Food is generally prepared during day time. 3. Food can be prepared at all times.
4. All green plants and some bacteria have this type of nutrition. 4. All animals and fungi have this type of nutrition.


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