Systematics Flashcards
1
Q
Cladogram
A
Graphic representation of relationships between living or extinct things
2
Q
Nodes
A
Where lines converge
Lineage separates
3
Q
Branches
A
Lines of the cladogram
Show passage of time
4
Q
Top of the cladogram
A
Newest
5
Q
Bottom of cladogram
A
Oldest
6
Q
Monophyletic group
A
All extant forms and common ancestors
7
Q
Polyphyletic group
A
Common ancestor does not belong or is not included
8
Q
Paraphyletic group
A
Leaves out some extant forms
9
Q
Plesiomorphy
A
ancestral characteristic
10
Q
Symplesiomorphy
A
shared ancestral characteristic
11
Q
Apomorphy
A
derived characteristic (separate species)
12
Q
Synapomorphy
A
Shared derived characteristic
13
Q
Look for ___
Separate groups from other groups
A
Synapomorphy