Classification History

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Classification History

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Classification History

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Presentation transcript:

Classification History

Classification History Taxonomy: Branch of biology that groups all life according to their characteristics and history All life on earth is placed into 1 of 6 kingdoms: Eubacteria Archaea Protista Fungi Plantae Animalia Classification History prokaryotes eukaryotes

Developed classification system based on physical features Many rules still used today Binomial Nomenclature: System of giving every organism 2 names 1st word: Genus (broad) 2nd word: Species (specific) Example: House cat Genus: Felis (cougars, lions, tigers, cheetahs, etc…) Species: catus Carolus Linnaeus

Binomial Format Bos taurus When Writing: Genus capitalized species lowercase Underlined entirely Ex: Homo sapiens When Typing: Same, except use italics Bos taurus

Oh Looney Toons!

Oh Looney Toons!

Taxa 7 individual levels (taxa) used to classify organisms Kingdom (broadest) Phylum Class Order Family Genus Species (specific) Allows relationships to be clearly seen Taxa Kings Play Chess On Fine Gold Stools

Kingdom Phylum Cheetah Classification Class Order Family Genus Species

Red Wolf Classification Kingdom Phylum Class Order Family Genus Species

Kingdom Phylum Class Order Family Human Classification Genus Species

Killer whale classification Kingdom Phylum Class Order Family Genus Species

The more levels in common...the more related the species.

Which two organisms are most related to one another? Killer Whale K = Animals P = Chordata C = Mammals O = Cetacea F = Delphinidae G = Orcinus S = orca Red Wolf K = Animals P = Chordata C = Mammals O = Carnivora F = Canidae G = Canis S = vulpes Polar Bear K = Animals P = Chordata C = Mammals O = Carnivora F = Ursidae G = Ursus S = arctos

Using a dichotomous key What is this item?

Using a dichotomous key What is this item?

Review Who created the classification system used today? Name the 6 kingdoms of life. Which kingdom(s) are prokaryotic? Which kingdom(s) may be unicellular? Which kingdom(s) are bacteria? Which two taxa make up an organisms binomial name? Place the 7 levels of taxonomy in order from largest to smallest. Name the 7 human taxa, from largest to smallest.