On a person's hand there can be 300,000-500,000 genetically distinct bacteria at one time. Wendy regularly puts hand sanitizer on because she is nervous about getting sick. The hand sanitizer kill 99% of these bacteria, but about 3000-5000 bacteria are left. How does natural selection take place?
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On a person's hand there can be 300,000-500,000 genetically distinct bacteria at one time. Wendy reg...
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