The Ultimate Source of Energy for the Communities of the Hydrothermal

question 52

Multiple Choice

The ultimate source of energy for the communities of the hydrothermal vents is:

• A) hot seawater.
• B) sinking detritus from the surface waters.
• C) energy derived from photosynthesis, as in almost all other communities.
• D) chemical synthesis of organic molecules by bacteria.
• E) algae.

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