Classification 2006-2007.

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CHAPTER 18 CLASSIFICATION

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Classification 2006-2007

Classification System to organize all living creatures plants animals microbes etc.

Carolus Linnaeus The Linnean system Homo sapiens proposed in 1700s each species has a 2 part name genus species Homo sapiens

Latin binomial 2 part scientific name Genus — larger group to which organism belongs always capitalized species — specific name for that organism always lowercase example: Linnaeus named humans Homo sapiens means “wise man” — perhaps in a show of hope & optimism

Genus groupings Classify organisms into broader groups Species that are closely related are grouped into the same genus Leopard Panthera pardus African lion Panthera leo Tiger Panthera tigris

Classification Kingdom Phylum Class Order Family Genus species

Orders & families

Why not use common names? Misleading starfish dragonfly Confusing blue jay, blue coat, corn thief dog, perro, chien I swim, but I’m still a bird!

Why not use common names? But they all have only one scientific name! Pisaster ochraceus Pyrrhosoma nymphula Cyanocitta cristata

Any Questions? 2006-2007