Prokaryote->eukaryote transition prob least likely stage of evolution since it only occurred once (unlike eyes, which happened mult times)
Yeah, I suppose the support mechanisms for hosting bacteria would already be in place by then.
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yup. Check out Nick Lane's book for much more: https://www.amazon.com/gp/aw/d/0393352978/ref=mp_s_a_1_1?ie=UTF8&qid=1472933137&sr=8-1&pi=SY200_QL40&keywords=nick+lane&dpPl=1&dpID=41uPzlLBD0L&ref=plSrch …
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