biodiversity 1.2 and 1.3 Flashcards
(12 cards)
taxonomy
the science of identifying and classifying all organisms (living and fossil species)
who is the father of taxonomy
Carl Linnaeus
what system did carl linnaeus create
binomial nomenclature
what is a binomial name of an organism composed of
the genus and species
name the taxonomic hierarchy
domain
kingdom
phylum
class
order
family
genus
species
(subspecies)
what is the trick to memorize taxonomic hierarchy
did king philip come over for good spaghetti sauce?
dichotomous keys
a tool which uses a series of paired comparisons to sort organisms into groups and eventually classify them as their own species
in dichotomous keys, the user must do what
choose between two defining statements
comparisons in a dichotomous key are usually based off
morphology (physical characteristics)
what is phylogeny
the study of evolutionary relationships between and among species
phylogenetic tree
a diagram which shows evolutionary relationships between and among species
what are clades
groups of taxa which contain a single common ancestor and all of its descendants