Biological Classification Taxonomy: the study of identification, naming, and classification of species EQ: Why do scientists classify organisms? Is a Virus alive?

History of Taxonomy Carl Linnaeus: devised the current system of classification. He used binomial nomenclature which is a system of using 2 names to label species. The scientific name consists of the Genus and species. The Genus is always capitalized EX: Homo sapiens, modern man EQ: Why do scientists classify organisms? Is a Virus alive?

Hierarchical Classification Each species is grouped into progressively broader categories Kingdom Phylum Class Order Family Genus species EQ: Why do scientists classify organisms? Is a Virus alive?

King Phillip Came Over For Great Spaghetti EQ: Why do scientists classify organisms? Is a Virus alive?

6 Kingdoms of Life Archeabacteria Eubacteria Protista Fungi Plantae Animalia

3 Domains of Life Archae Bacteria Eukarya All life belongs to 3 domains: Archae, Bacteria, and Eukarya Archae Archaebacteria Bacteria Eukarya Eubacteria Protista, Fungi, Plantae, Animalia

Dichotomous Key A written set of choices that leads to the name of an organism. Scientists use them to identify unknown organisms.