common descent and phylogeny Flashcards
1
Q
what is the categorisation of organisms
A
phylum class order family genus species
2
Q
what is comon descent?
A
similar organisms that have a recent ancestor
dissimilar organisms more likely to be distantly related
3
Q
what is LUCA
A
last universal common ancestor
4
Q
evidence for common descent
A
biochemical, genetic, cytochemical
taxonomic
biogeographical
plaeontoligical
5
Q
what s phylogeny
A
grouping organisms in relationship trees tp show their common descent
6
Q
what is a speciation event?
A
ancestors dividing resulting in divergence
