1. Phylogeny!!

2. Identification = associate an unknown with a known How? One way:
Taxonomic Key, e.g.,
Tree
Leaves simple …….………………………… Species A
Leaves pinnate …….………..…..…..…… Species B
Herb
Flowers red …….…………………………… Species C
Flowers white …….…………………..…… Species D

5. Is “E” more closely related to “D” or to “F”?
Is “E” more closely related to “B” or to “A”?
Is “E” more closely related to “B” or to “C”?
C B F E D A

6. Cladograms and clades Comes from the Greek word meaning a branch
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The branches above a node represent a clade
Clade-a single "branch" on the "tree of life“ and all the species after
ODWS Paul Billiet 2011

8. How are cladograms constructed?
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9. ____________- means it shares no derived traits.
____________ -share one or more derived traits.

10. Cladogram construction
Given a table of derived characters (traits), create a cladogram