chapter 20
phylogeny
the evolutionary history of a species or group of related species
systematics
classifies organisms and determines their evolutionary relationships
use fossil, molecular, and genetic data to infer evolutionary relationships
phylogenetic trees
show the evolution of species
binomial nomenclature
the naming system for all organisms
founded by Carolus Linnaeus
uses the genus and species to name
the taxonomic groups
domain kingdom phylum class order family genus species
according to scientific naming how should a species name be presented
genus (capitalized and italicized) specific epithet (lowercase and italicized)