Photosynthesis
Photosynthesis was the process in green plants and certain other organisms or artificial devices by which carbohydrates and oxygen were synthesized from carbon dioxide and water.

In 2371, Kira Nerys speculated that the ancient Bajorans may have used some kind of photosynthetic plant to recycle the air supply aboard their lightships. ()

The   utilized photosynthesis in its photosynthetic bioprocessor. ()

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Botany