What Is the Primary Reason That a Hot Spring Will

question 26

Multiple Choice

What is the primary reason that a hot spring will kill a fish placed in it but encourage the growth of certain bacteria?

• A) The high temperatures destroy most of the fish's enzymes, but the specialized bacteria have enzymes adapted to these temperatures.
• B) Fish cannot feed directly on bacteria, but the bacteria can feed on dead fish.
• C) At hot spring temperatures, the metabolic activity of the fish's cells is so rapid that it runs out of food reserves and dies; the bacteria feed on the dead fish.
• D) Bacterial growth at high temperatures is so rapid that it deoxygenates the water and kills the fish.

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