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Vertebrate Phylogeny

QuestionAnswer
sister group most closely related pairs
nodes of trees represent hypothetical ancestors
monophyletic group includes all of the descendents of a common ancestor
paraphyletic group excludes one or more descendent of the common ancestor
isomorphic classification exactly matches phylogenetic tree, rather than using phylogenetic classification
clade monophyletic group
grade non-evolutionary unit, but has some utility; ex: reptiles; vs. clades; recognized based on symplesiomorphies
anapsid lacks temporal fenestra, homoplastic
diapsida 2 temporal fenestras; some have lost, like lizards & snakes
Created by: emarti16
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