Question
What are the differences between autotrophic nutrition and heterotrophic nutrition?
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Autotrophic nutrition
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Heterotrophic nutrition
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(i)
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Food is synthesised from simple inorganic raw material such as $CO _2$ and water.
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Food is obtained directly or indirectly from autotrophs. This food is broken down with the help of enzymes.
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(ii)
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Presence of green pigment(chlorophyll) is necessary.
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No pigment is required in this type of nutrition.
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(iii)
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Food is generally prepared during day time.
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Food can be prepared at all times.
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(iv)
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All green plants and some bacteria have this type of nutrition.
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All animals and fungi have this type of nutrition.
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