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Bellwork: January 27 Copy and define the following words. – They’re: __________________________ – Their: ____________________________ – There: ____________________________
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CO: I will define taxonomy, recognize the importance of a taxonomic system, and categorize organisms into domains. LO: I will write notes. I will sort organisms with a partner. I will collect bacteria with a partner.
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Classification is the grouping of objects or information based on similarities.
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Name 5 things that people classify on a regular basis?
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For 1 of your 5 things, explain how it’s classified?
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Taxonomy is the science of grouping and naming organisms. In other words, taxonomy is the process of classifying and naming biological (living) organisms. In Biology:
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7 Domain Kingdom Phylum Class Order Family Genus Species BROADEST TAXON Most Specific copyright cmassengale The major classification levels, from most general to most specific A group at any level is a taxon.
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8 Darling Darling Katy Katy Perry Perry Came Came Over Over For For Great Great Soup! Soup! copyright cmassengale
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Let’s look at some animals
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Devil Cat
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Ghost Cat
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Mountain Lion
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Screaming Cat
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Puma
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Florida Panther
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Cougar
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There are at least 50 common names for the animal shown on the previous 7 slides. Common names vary according to region. How could we fix this problem?
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19 Confusion in Using Different Languages for Names copyright cmassengale
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20 Scientific Names are Understood by all Taxonomists copyright cmassengale
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Taxonomists give a unique scientific name to each species they know about whether it’s alive today or extinct. The scientific name comes from one of two “dead” languages – Latin or ancient Greek.
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The genus name is written first (always Capitalized). The species name is written second (never capitalized). Both words are italicized if typed or underlined if hand written. Example: Felis concolor or F. concolor Which is the genus? The species? Binomial Nomenclature a two name system for writing scientific names. Turdus migratorius Turdus migratorius a
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23 Binomial Nomenclature Which TWO are more closely related? copyright cmassengale
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Now that you know why we need to classify organisms and how to name them; we are going to learn about each taxon in detail.
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Bacteria Collection Timer
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26 Broadest, most inclusive taxonBroadest, most inclusive taxon Include:Include: 1.Archaea (unicellular prokaryotes) 2.Bacteria (unicellular prokaryotes) 3.Eukarya (eukaryotes) Domains copyright cmassengale
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Prokaryotes Eukaryotes
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28 ARCHAEA Kingdom - ARCHAEBACTERIA Probably the 1 st cells to evolve Live in HARSH environments Found in: –Sewage Treatment Plants (Methanogens) –Thermal or Volcanic Vents (Thermophiles) –Hot Springs or Geysers that are acid –Very salty water (Dead Sea; Great Salt Lake) - Halophiles copyright cmassengale
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29 ARCHAEAN copyright cmassengale
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30 BACTERIA Kingdom - EUBACTERIA Some may cause DISEASE Found in ALL HABITATS except harsh ones Important decomposers for environment Commercially important in making cottage cheese, yogurt, buttermilk, etc. copyright cmassengale
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31 Live in the intestines of animals copyright cmassengale
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32 Eukarya… is Divided into Kingdoms Protista (protozoans, algae…)Protista (protozoans, algae…) Fungi (mushrooms, yeasts …)Fungi (mushrooms, yeasts …) Plantae (multicellular plants)Plantae (multicellular plants) Animalia (multicellular animals)Animalia (multicellular animals) copyright cmassengale
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