classification Flashcards
what is the division of organisms into groups,or classes, based on characteristics
classification
the science of describing , naming, and classifing organisms
taxonomy
the largest most general groups
kingdom
their sorted into further classes
phylum
each class includes continuations one or more orders
class
the 4 th highest taxonomic category below class
order
the 5 th highest taxonomic category
family
a group of similar organsms
genus
smallest, most precise classification category
species
a kingdom made up of complex multicellular organisms that lack cell walls
Animalia
Chordates are animals possessing a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail for at least some period of their life cycles.
chordata
Mammals are any members of a clade of endothermic amniotes distinguished from reptiles and birds by the possession of hair, three middle ear bones, mammary glands, and a neocortex
mammalia
A primate is a mammal of the order Primates. In taxonomy, primates include two distinct lineages, strepsirrhines and haplorhines
primate
The Hominidae, also known as great apes or hominids, are a taxonomic family of primates that includes seven extant species in four genera: Pongo, the Bornean and Sumatran orangutan; Gorilla, the eastern
hominide
A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. “Dichotomous” means “divided into two parts”
dichotomous key
