An ecosystem based on chemolithotrophs exists 2,500 meters below the ocean surface near the Galápagos Islands. These archaea
A) use light as energy and carbon dioxide for carbon.
B) use light as energy and get organic compounds from other organisms.
C) oxidize inorganic substances for energy and use carbon dioxide for carbon.
D) get both energy and carbon from organic compounds.
E) oxidize organic compounds for energy and use carbon dioxide for carbon.

Question

Quizplus · Accepted Answer

The question states that the ecosystem is based on chemolithotrophs, which are organisms that obtain energy by oxidizing inorganic substances. Therefore, choices A, B, D, and E are incorrect. The question also states that these organisms use carbon dioxide for carbon, indicating that they are autotrophs. Therefore, the correct answer is C.

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