Systematics
Science of naming and grouping organisms
Taxonomy
Classification of organisms based on shared characteristics
Phylogenetic systematics
A system of placing organisms into larger categories that reflects evolutionary to send rather than similarities or differences
Phylogeny
Study of how living and extinct organisms are related to one another
Node
Last point at which the two new species share a common ancestor
RoOt
The common ancestor of the organisms in the cladogram
Which bacteria lives in the most extreme conditions
Archae
Which bacteria makes you sick
Eubacteria