Is your closet organized Living things are organized

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? 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 » HUMANS • • Kingdom Phylum Class Order Family Genus Species Animal Chordata Mammals Primate Hominadae Homo 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

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

Panthera Comprising the species: Lion, tiger, jaguar, leopard on the basis of cranial features Tiger- Panthera tigris Lion- Panthera leo • 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".