creatures keep evolving into something that looks a lot like a crab. And it’s freaking people out. The observation that several different types of animal have developed a crab-like form dates back to a paper by British scientist Lancelot Borradaile.
In it, he invented the word "carcinisation" to describe the "many attempts" that nature has made to create crabs.The crab body shape is a very successful form, and as a result, evolution has tried it on at least five separate occasions.Only two of those "attempts" led to what scientists would call a true crab and the others have given rise to creatures that may look a lot like crabs to the average person but in fact have no common lineage."There has to be some kind of evolutionary advantage to.
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