Classification Chapter 18.

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Presentation transcript:

Classification Chapter 18

Finding Order in Diversity Taxonomy: classify organisms and assign each organism a universally accepted name Binomial Nomenclature: each species is assigned a two-part scientific name Always written in italics

Linnaeus’s System of Classification Hierarchical system of classification includes seven levels: (page 450) Species Genus Family Order Class Phylum kingdom

Evolutionary Classification Phylogeny: evolutionary relationships among orgnaisms Appendages Conical Shells Crab Barnacle Limpet CLASSIFICATION BASED ON VISIBLE SIMILARITIES

Kingdoms and Domains 6 kingdom classification system: Eubacteria Archaebacteria Protist Fungi Plantae Animalia

Three Domain System Eukarya: protist, fungi, plants, animals Bacteria: Eubacteria Archaea: Archeabacteria

DOMAIN ARCHAEA DOMAIN EUKARYA DOMAIN BACTERIA