Lecture 5 Flashcards
1
Q
Three Domains
A
Bacteria
Archaea
Eukarya
1
Q
Taxa/Taxon
A
Named group in hierarchical classification.
2
Q
Phylogenetic Tree
A
represents an evidence-based guess about evolutionary relationships
3
Q
Node
A
Branch point
(last common ancestor)
4
Q
Extant Taxa
A
tips of tree
5
Q
Sister taxa
A
immediate common ancestor not shared by any other
6
Q
extinct taxa
A
all organisms no longer around today
7
Q
Proportional tree type 1
A
Uses time
8
Q
Proportional tree type 2
A
Genetic change
Requires DNA sequence.
9
Q
Cladistics
A
Analysis of all homologous characters among groups to figure out evolutionary relationships.