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Classification part 1 for blog
 

Classification part 1 for blog

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    Classification part 1 for blog Classification part 1 for blog Presentation Transcript

    • CLASSIFICATION NOTES
    • Classification- A groupingof objects or informationbased on similaritiesTaxonomy- the branch ofbiology concerned with thegrouping & naming oforganisms
    • Aristotle:384-322 BCFirst method of classification2 major groups Plants - size & structureAnimals - where they lived(land or water)
    • Linnaeus: 1707 - 1778 Still used today Based on physical characteristics,close relationships 7 Levels of classification 1. Kingdom 2. Phylum 3. Class 4. Order 5. Family 6. Genus 7. Species
    • King Phillip Came OverFrom Great Scotland
    • Taxon: a group at any level of organization.
    • Figure 18-5 Classification of Ursus arctos Section 18-1 Polar bear Black bear Giant Red fox Abert Coral Sea star panda squirrel snake KINGDOM Animalia PHYLUM Chordata CLASS Mammalia ORDER Carnivora FAMILY Ursidae GENUS Ursus SPECIES Ursus arctosGo toSection:
    • Binomial nomenclature: Systemthat gives each organism 2 namesGenus: 1st word, always capitalized.Group of closely related speciesspecies: 2nd word, lowercase.descriptive (latinized)Ex-Eurycea bislineata-2 line salamandercommon name varies from place to place
    • • http://www.search.com/reference/Wile_E._ Coyote_and_Road_Runner
    • Domain ArchaeaKingdom ArchaebacteriaProkaryotes - No nucleus or membrane- bound organellesCell walls without peptidoglycanUnicellularAutotroph or heterotrophExamples: Methanogens, Halophiles
    • Domain BacteriaKingdom EubacteriaProkaryotesCell walls with peptidoglycanNo nucleus or membrane boundOrganellesUnicellularAutotroph or HeterotrophE. Coli and Streptococcus
    • Domain EukaryaKingdom ProtistaEukaryoticCell walls in SOME (plantlike) withcellulose with chloroplastsMost are Unicellular some MulticellularAutotroph or heterotrophParamecium, Kelp, Euglena
    • Domain EukaryaKingdom FungiEukaryoteCell wall with chitin, nucleus andmembrane-bound organelles-nochloroplastsMost are multicellularHeterotrophEats by absorbing nutrientsMushrooms, yeasts
    • Domain EukaryaKingdom PlantaeEukaryotesCell walls with cellulose, havechloroplastsMulticellularAutotrophMosses, ferns, trees, flowering plants
    • Domain EukaryaKingdom AnimaliaEukaryoteNo cell wall or chloroplastsHave specialized systemsMulticellularHeterotrophsponges, worms, insects, fish
    • • This kingdom contains all autotrophic organisms.• The term autotrophic refers to…• The opposite of autotrophic is…• These organisms contain the material chitin…• These kingdoms contain prokaryotic cells…
    • • Which is the most general of Linnaeus’ seven taxa?• If 2 organisms are in the same kingdom, must they belong to the same phylum?• If several organisms contain the same class characteristics, must they belong to the same phylum?• Linnaeus’ 2 name system is called…
    • • The most specific part of a scientific name is the…• If 2 organisms belong to the same order, must they belong to the same family?• In the scientific name the first letter of the ___ must be capitalized.• The scientific name must be ____ or italicized.