Classification
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Classification PowerPoint PPT Presentation


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Classification. Branch of Biology that deals with classification and naming living things. Aristotle classified living things into only two categories—plants or animals. So why classify further? It provides organization and identification for studying organisms.

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Classification

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Classification


  • Branch of Biology that deals with classification and naming living things.

  • Aristotle classified living things into only two categories—plants or animals.

  • So why classify further?

  • It provides organization and identification for studying organisms.

  • Common names vary from place to place and many do not accurately define a species.

    • Example: jellyfish

Taxonomy


Devised a system of grouping organisms into hierarchical categories according to their form and structure.

Binomial Nomenclature- system uses 2 names to identify an organism

Genus and species

Carolus Linnaeus: “Founder”


Genus + species = Scientific name

Homo sapiens or H. sapiens

Drosophila melanogasteror D. melanogaster

Canisfamiliarisor C. familiaris

Carcarodoncarchariasor C. carcharias

Can you guess these organisms


Used to be 5 kingdoms when Eubacteria and Archbacteria were one kingdom called Monera

6-Kingdom system


KingdomPhylumClassOrderFamily GenusSpecies

Levels of Classification


3 domains are above Kingdoms

Domains


Frog dissection tomorrow & thursday


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