Define photoorganoheterotrophs and chemoorganoheterotrophs, Biology

Photoorganoheterotrophs and Chemoorganoheterotrophs - Nutritional Types

(1) Photoorganoheterotrophs - These microorganisms use light as a source of energy and organic compound as electron and carbon source. Example: purple and green nonsulphur bacteria.

(2) Chemoorganoheterotrophs - These microorganisms use organic compound as a source of energy, electron and carbon. Example: protozoa, fungi and most non- photosynthetic bacteria.

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