DISCUSSION: This one is pretty easy. Read through each answer choice and fact-check it against the passage. The wrong answers are mostly likely out of scope or irrelevant.
___________
- CORRECT. The passage tells us why Colwell thought V. Cholerae resided in the ocean.
- No other bacteria are discussed in the passage.
- Ultraviolet light was only mentioned as a way to detect V. Cholerae’s presence, not because it affects its reproduction in any way.
- We don’t know how it affects shellfish.
- The last paragraph only states Colwell’s suspicions on what conditions awaken V. Cholerae from its dormancy, not that she has any plans to determine what they are.
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