Is your closet organized?

Living things are organized into 6 kingdoms

6 Kingdoms-{3 domains} Archaebacteria Eubacteria Protists Fungi Plants Animals

Classification The systematic grouping of organisms into categories on the basis of relationships between them. Also known as the science of taxonomy.

Why are things classified Why are things classified? Helps us organize information AND communicate with others EXAMPLES of things that we organize: Supermarket aisles Libraries Classes Teams/sports Members of a family Roads Cities Money

Human Taxonomy Kingdom Animal Phylum Chordata Class Mammals HUMANS Kingdom Animal Phylum Chordata Class Mammals Order Primate Family Hominadae Genus Homo Species Sapien

KPCOFGS Kind Professors Can Often Fail Good Students

Early history(2,000 ya) Aristotle grouped everything into simple groups such as animals or plants He then grouped animals according to if they had blood or didn’t have blood, and if they had live young or laid eggs, and so on…

Taxonomy Is the science of naming and classifying organisms-has sub-groups and names Father of taxonomy is Carl Linnaeus (1707-1778)

Binomial nomenclature C. Linnaeus developed a system that gives a 2 word name to every organism. The 2 word naming system is called binomial nomenclature It helps to avoid confusion It uses the genus and species name only

Paperbark Maple Acer griseum Red Snakebark Maple Acer capillipes Japanese Maple Acer palmatum

Panthera Comprising the species: Lion, tiger, jaguar, leopard on the basis of cranial features Lion- Panthera leo Tiger- Panthera tigris Jaguar- Panthera onca SNOW LEOPARD also belongs to the Panthera-----added 2008

Rules used to write scientific names Homo sapiens An organism’s genus is always written first; the organism’s species is always written second The genus is Capitalized; the species is written in lower case Scientific names of organisms are always italicized or underlined

Some common names Canis familiaris - dog Felis domesticus - cat Canis lupus - wolf Vulpes vulpes - fox Ichthyomyzon gagi - brook lamprey Populus deltoides - cottonwood Cercis canadensis - red bud Diospyros virginiana - persimmon Carya illinoensis - pecan

A dichotomous key is used to identify organisms that you do not already know. A reference tool where a series of choices between alternative characters leads progressively to the identification of the species. Means "two forks".