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Mar 24 at 16:11 comment added Scott Rowe Also rapidly decreasing benefit for having more eyes? 2 cover basically the entire sphere in many birds, rabbits etc. How would more help at all? Network effects: increasingly more brainpower required to integrate more inputs.
Mar 24 at 14:09 comment added Scott Rowe Once something works, alternatives have a tougher time getting started. "Nothing succeeds like Success." Bilateral symmetry was a pretty early innovation. So then odd numbers of limbs, etc seem awkward. Starfish are radial symmetry, and 5 is one of the lower Fibonacci numbers that fill the niches. Look at a seedhead, or a pineapple. Octopus is pretty ideal: one brain for each limb, and one brain to rule them all.
Mar 23 at 20:06 comment added Idiosyncratic Soul @ScottRowe It's as if evolution reduces randomness.
Mar 23 at 19:59 comment added Idiosyncratic Soul @ScottRowe It's true there have been some strange life on earth there is plenty of diversity. At the same time, there is undeniable commonality: An organism can have multiple eyes, yet an inordinate number of mammals have just two eyes. Not a gaussian distribution of numbers of eyes.
Mar 23 at 11:26 comment added Scott Rowe Most of the universe is pretty boring. Larger and older wouldn't alter that much. That said, there have been some pretty weird lifeforms on Earth.
Mar 23 at 3:39 history undeleted Idiosyncratic Soul
Mar 23 at 3:39 history edited Idiosyncratic Soul CC BY-SA 4.0
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Mar 23 at 3:33 history deleted Idiosyncratic Soul via Vote
Mar 23 at 3:32 history answered Idiosyncratic Soul CC BY-SA 4.0