TOEFL Listening: ETS-TOEFL听力机经 - 3151ZGA89MAR9TP0P$

What does the professor say about bacteria that grow around hydrothermal vents? A. They are able to withstand higher temperatures than all other organisms. B. They are not as resilient as bacteria that live in glacial waters. C. They must have small amounts of sunlight to survive. D. They use hydrogen sulfide as their primary nutrient.