There are tube worms and clams that live at the bottom of the ocean near thermal vents. They derive their energy ultimately from
A) the sun, by way of burning fossil fuels like we do with coal and oil.
B) the sun, but they are deep in the dark ocean and live off dead detritus that sinks to them.
C) bacteria that break apart hydrogen sulfide molecules and are therefore not dependent ultimately on sunlight.
D) sources not yet known.
E) photosynthesis.

Question

Quizplus · Accepted Answer

Tube worms and clams at the bottom of the ocean near thermal vents derive their energy ultimately from bacteria that break apart hydrogen sulfide molecules. These bacteria are not dependent on sunlight for energy, making choice C the most accurate answer.

There Are Tube Worms and Clams That Live at the Bottom