What is the difference between Autotroph and Heterotroph?

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Autotroph:

1. Organisms capable of utilizing inorganic carbon as their sole sopurce of carbon.

2. Autotrophs synthesize their organic nutrients from CO2, hence are self-nourishing.

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3. These are either photoautotrophs (photo synthesis) or chemoautotrophs (chemosynthetic).

Example – Green plants, chemoautotrophic bacteria.

Heterotroph:

1. Organisms unable to utilize inorganic carbon.

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2. Heterotrouphs can not synthesize their own food but obtain the organic compounds from other organisms.

3. These may be parasites, saprophytic, symbiotic or insectivorous plants.

Example – Cuscuta, Fungi, Rhizobium, Nepnthes.

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