Cladistics Flashcards
0
Q
Define synapomorphy
A
A derived character shared by 2+ taxa that was present in their most common recent ancestor
1
Q
What is cladistics
A
Categorizes into groups called CLADES
- clade:An ancestor organism and all their descendants
- based on morphology but systemic
- includes evolution
2
Q
Define plesiomorphy
A
A primitive character shared by 2+ taxa
3
Q
Define mono phyletic
A
An ancestor organism and all it’s descendents
-defined by one synapomorphy
4
Q
Define polyphyletic
A
2+ taxa but NOT the common ancestor
-Convergent evolution
5
Q
Define paraphyletic
A
An ancestor group and some of its descendents
I.e: reptiles without birds
