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LF's picture

Time and evolution

Darwin’s theory of gradualism (p.83) states that evolution must be gradual, therefore “no saltations, no discontinuities”. We discussed in class the idea that if one is prescribed antibiotics and does not finish the course, we could potentially be unleashing a new bacteria that is able to resist the usual effect of that antibiotic (Is this mutation?). If this is true, it rejects part of Darwins theory, how can we be sure that evolution has to occur over a lengthy time period?

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