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So if it requires multiple lucky coin flips, shouldn’t we expect it to happen in many places, not just in giraffes? What explanatory power does “randomness” rea
by tobr 5y ago
So if it requires multiple lucky coin flips, shouldn’t we expect it to happen in many places, not just in giraffes? What explanatory power does “randomness” really have, then?
- saalweachter 5y agoIt depends how common the niche is and how accessible the body-plan is in the genetic search-space. We do see convergent evolution into the "tree" and "crab" body-plans. Dozens of unrelated species have evolved along similar lines, filling similar niches by evolving similar forms. There were long-necked animals in the past -- a well-known type of dinosaur comes to mind -- but the niche isn't so large or successful as the "eat a bunch of grass" niche.
- xbmcuser 5y agolarger the number of coin flip needed the less likely it s to happen not more.
- tobr 5y agoI don’t think so? A larger number just demonstrates that lucky coin flips are common and abundant.