phylogenetics Flashcards
1
Q
what is allopatry?
A
when species are separated by geographical factors.
2
Q
what is sympatry?
A
when species are brought together by geographical factors.
3
Q
what is monophyly?
A
when two allopatric species have a RMCA.
4
Q
what is paraphyly?
A
when two allopatric species do not have a RMCA.
5
Q
what is parsimony?
A
there idea that phylogenetic trees should be as simp as possible. and based on synapomorphic traits- unique physical features within a species.
6
Q
what are paraphyletic groups?
A
animals that are classed and commonly names together due to loose shared physical characteristics.
