7.9: Phylogeny Flashcards
1
Q
What do phylogenetic trees have in common with cladograms?
A
They both show relationships between lineages
2
Q
What is a phylogenetic tree?
A
A branched diagram depicting evolutionary relationships amongst species over time
3
Q
What is a cladogram?
A
A specific type of phylogenetic tree that is used to show evolutionary relatedness amongst species through clades (a group that shares a common ancestor
4
Q
What is a clade?
A
Includes any group on a cladogram sharing a common ancestor
5
Q
What is an outgroup?
A
It represents the lineage that is the least closely related to the remainder of the organisms
6
Q
What kind of data can be used to construct a phylogenetic tree?
A
Morphological similarities or DNA/protein sequence similarities
