Some organisms inhabit the seabed, where the surroundings are extremely dark. To synthesise glucose, they obtain energy from chemicals in the superheated water released from volcanoes. What is a distinguishing characteristic 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.