5.3 Classification of biodiversity

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  • 5.3 Classification of biodiversity
    • Essential Idea
      • Species are named& classified using an internationallyagreed system
    • New species are named according to binomial system
    • Organisms are classified into three domains
      • Eubacteria
        • Cell Wall- made from peptidoglycan
      • Archaea
        • Cell membrane Glycerol-ether lipids unbranched side chains
      • Eukaryotes
        • Hiatones with DNA- present
    • Recognition features of animals
      • Porifera
        • no clear symmetry
        • attached to surface
      • Cnidaria
        • tentacles
      • Mollusca
        • shell present

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