Chapters 25 and 26 Flashcards
1
Q
phylogeny
A
evolutionary history of a group
2
Q
systematics
A
approach to understanding phylogenetic relationships
3
Q
What determines phylogeny
A
fossil record
morphological info
molecular evidence (DNA)
4
Q
homology
A
similarities due to a common ancestor
5
Q
analogy
A
similarities that have evolved independently
6
Q
taxonomy
A
asses phylogenetic relationships
uses hierarchical classification and binomial nomenclature
7
Q
hierarchical classification
A
animals are grouped into various taxa that are increasingly comprehensive
8
Q
cladistics
A
analysis of how species may be grouped
9
Q
phylogram
A
provides info on the timing of evolutionart events relative to other members
10
Q
ultrametric tree
A
provides info on timing of evolutionary events relative to geologic time
