What is the basis of life around deep-sea hydrothermal vents?
APhotosynthesis
BChemosynthesis
CFermentation
DPollination
Answer & Solution
Correct answer: B. Chemosynthesis
1. Vents lie in total darkness, so sunlight is absent.
2. Life there relies on chemosynthesis.
3. Photosynthesis needs light.
_Source: Wikipedia, Habitat, Extreme habitat types_
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