Scientists once thought there was no life on the deep-sea floor due to the lack of sunlight. However, in the 1970's, complete ecosystems were discovered on the deep-sea floor that depend on energy from chemical reactions rather than energy from sunlight. Which conclusion can be drawn from this discovery? A organisms are able to survive under any conditions.
B Observations will always lead to the discovery of new organisms.
C Organisms may be discovered in remote areas and extreme conditions.
D Observations collected on existing organisms can be applied to any organism.