Classifcation

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  • Classification
    • The 5 Kingdoms
      • Prokaryotes
        • no nucleus
        • loop of naked DNA
        • no membrane-bound organelles
      • Protoctists
        • eukaryotes
        • mostly single-celled
        • mostly free living
        • can have autotrophic or heterotropic nutrition
      • Fungi
        • many nuclei
        • body consists of mycelium -a network numerous strands called hyphae
        • cytoplasm is surrounded by wall of chitin
        • eukaryotes
      • Plants
        • multicellular
        • eukaryotes
        • cellulose cell wall around cells
        • autotrophic
      • Animals
        • multicellular
        • heterotrophic nutrition
        • eukaryotes
    • 8 taxa
      • domain-kingdom-phylum-class-order-family-genus-species
        • Domains
          • Archaea
          • Bacteria
          • Eukaryotae
      • Genus= 1st part eg Homo
      • Species=2nd part eg Sapiens
        • uses 2 names to identify each species;genus and species
          • Genus= 1st part eg Homo
    • Bionomial system
      • uses 2 names to identify each species;genus and species
      • Dichotomous key
        • uses a series of questions with 2 alternative answers to help you identify a specimen
      • Taxonomy
        • the study of the principles of classification
      • Biochemistry in classification
        • Cytochrome C
          • is a protein used in respiration
          • can compare amino acid sequence
            • sequence same=cloesly related
        • DNA

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