Distinguish between phototrophic and heterotrophic nutrition. (3 points)
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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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