1 A Archaeopteryx LivingBirds f the MRCAthatlived between 160 170 MillionYears Ago B Species thatall branch from a common Ancestor Node 2 Ancestral traits are shared by an entire group through a MRCA Shared derived traits are shared by only a smaller group in more recent generations 3 Al Xylem Phloem B Alteration ofgenerations 4 Morale tryise
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