Astrophile
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- Aug 30, 2013
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How many evolutionary changes must (have occurred) to produce an elephant from a single celled organism. It seems to me that just factoring generational mutations would slow the whole evolutionary process to a snail's pace with larger animals.
You should try googling on 'fastest snail'. According to The World Almanac and Book of Facts 1999, 'a large banana slug has been observed to cover 6.5 inches in 120 minutes, a speed of 22.9 micrometres per second. This amounts to 723.6 metres per year, 7200 km (0.18 of the Earth's circumference) in 10,000 years, and nearly twice the distance of the Moon in a million years. Thus, even at a literal snail's pace evolution can achieve great things in a geologically short time.
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