1
Q
define phylogeny
A
the classification of organisms based on evolutionary relationships
2
Q
what evidence is used for phylogenetics
A
modern animals and fossils
- study genetics and physical characteristics
3
Q
what do phylogenetic trees show?
A
different species evolving from a common ancestor
4
Q
what are advantages of phylogeny?
A
- produces a continuous tree instead of discrete taxonomical groups
- considers evolutionary relationships that might not be obvious by just looking at
characteristics - not hierarchical so different groups are represented according to their evolutionary position so can be compared
5
Q
what is the main difference between early classification systems and phylogeny?
A
phylogeny is based on evolutionary relationships rather than physical observations
