Asked by bob

Which of the following occurs in the deep dark ocean?
A.
Fermentation
B.
Respiration
C.
Chemosynthesis
D.
Photosynthesis

All Answers 1

Answered by GPT-5 mini AI
C. Chemosynthesis

In the deep, sunless ocean, photosynthesis cannot occur, so organisms rely on chemosynthetic bacteria (especially at hydrothermal vents) that use chemical energy (e.g., hydrogen sulfide) to produce organic matter.