Lecture 6 Flashcards
1
Q
Maximum Parsimony
A
Simplest/fewest way of putting shared derived changes
2
Q
Molecular Systematics
A
DNA sequences as characters for phylogenetic analysis
3
Q
Monophyletic group (clade)
A
Group of organisms that contains ancestral species and ALL decedents.
4
Q
Polyphyletic
A
Contains members of multiple groups. Grouping does not share single common ancestor.
5
Q
Paraphyletic
A
group that contains ancestor but not all descendants
5
Q
Monophyletic groups
A
a clade
6
Q
Synapomorphy
A
shared derived character that defines a clade
7
Q
A
7
Q
Why phylogeny important
A
- System for organizing our understanding of biology and evolution
- Species in clades often have shared characteristics.
