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Misc. Discussion Section
N/A
6
Biology
Undergraduate 2
10/10/2012
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Term
Ancestral Character
 Definition
characteristic that arose prior to the common ancestor of the group
Term
Derived character
 Definition
characteristic representing a departure from the primitive form
Term
Clade
 Definition
evolutionary units, refer to common ancestor and all of its descendants
Term
synamorphy
 Definition
derived character shared by clade memebers
Term
Pleisomorphies
 Definition
Ancestral states
Term
Homoplasy
 Definition
shared character state that has not been inherited from common ancestor (example tails and amniotic membranes)
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