A few organisms inhabit the bottom of the sea, where darkness is extreme. In order to synthesise glucose, they gain energy from chemicals in the extremely hot water discharged by volcanoes. What is one distinguishing feature of these organisms?
- ATheir enzymes are easily denatured by heat.
- BThey do not need carbon dioxide.
- CThey do not need to be green.
- DThey obtain energy only as carnivores.