An Ecosystem Based on Chemoautotrophs Exists 2,500 Meters Below the Ocean

Multiple Choice

An ecosystem based on chemoautotrophs exists 2,500 meters below the ocean surface near the Galápagos Islands.These archaea

A) use light as energy and obtain carbon from carbon dioxide.
B) use light as energy and obtain organic compounds from other organisms.
C) oxidize inorganic substances for energy and obtain carbon from carbon dioxide.
D) rely on organic compounds for both energy and carbon.
E) oxidize organic compounds for energy and obtain carbon from carbon dioxide.