Question

why photo organo bacteria are heterotrophic? ​

Answer 1

Answer:

Photoheterotroph. Photoheterotrophs (Gk: photo = light, hetero = (an)other, troph = nourishment) are heterotrophic phototrophs – that is, they are organisms that use light for energy, but cannot use carbon dioxide as their sole carbon source.

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Answer 2

Answer:

because in them chlorophyll is present..

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