genome sequencing
determines entire base sequence of an organisms DNA - allowing it to be compared to other organisms to see how similar they are
more modern methods of comparing species
how do Archea differ from bacteria
order of hierarchy
taxa domain kingdom phylum class order family genus species
binomial name consists of…
Genus species
artificial classification
divides organisms according to differences useful at the time - eg. colour, size, no. of legs
phylogenetic classification system
arranges species into groups based of the evolutionary origins + relationships – smaller groups placed within larger ones with no overlap
- each group = taxon
hierachy