2Taxonomy: the science of classification Why do we need a system of classification?Brings orderLogical means of naming organismsScientific names are understood globallyCommon names are regional, not specific, and misleading (puma, cougar, mountain lion are the same animal)(ringworm and mealworm are not worms)
3Aristotle Divided organisms into 2 groups Plants: classified them on the basis of structure and sizeAnimals: divided them on the basis of where they live
4Polynomial SystemA series of additional descriptive names added to the genus nameExample: the scientific name for a bee using the polynomial system: Apes pubescens, thorace subgriseo, abdomine fusco, pedibus posticis glabris utrinque margine ciliates
5Carolus LinnaeusSwedish botanist who developed a classification system based on structural features.
6Seven taxa: Kingdom (largest category) Phylum Class Order Family Genus Species (most specific)
7Binomial Nomenclature 2 part naming systemLatin (language used)Genus species (written in italics)Genus: a noun; always capitalized; may be abbreviated by using the first letter