The five kingdoms

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  • Created by: 592_ps
  • Created on: 18-03-16 14:27

Prokaryotae (Bacteria)

  • No nucleus or other membrane-bound organelles
  • Ring of 'naked' DNA
  • Small ribosomes
  • No visible feeding mechanism
  • Nuetients are absorbed through the cell wall or produced internally via photosynthesis
  • Examples include the bacteria Escherichia coli, Staphylococcus aureus, and Baccillus anthracis
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Protoctista (the unicellular eukaryotes)

  • Mainly unicellular
  • Has a nucleus and other membrane-bound organelles
  • Some contain chloroplasts
  • Some are sessile, but others move by cilia, flagella, or by some amoeboid mechanisms
  • Nutrients are acquired by photosynthesis (autotrophic feeders), ingestion of other organsims (heterotrophic feeders), or both - some are parasitic
  • Examples include species belonging to the genera Paramecium and Amoeba  
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Fungi

  • Unicellular or multicellular
  • Has a nucleus and other membrane-bound organelles
  • Has a cell wall mainly composed of chitin
  • No chloroplasts or chlorophyll
  • No mechanisms for locomotion
  • Most have a body or mycelium made of threads or hyphae
  • Acquires nutrients through absorption (mainly from decaying material)
  • They are saprophytic feeders
  • Some are parasitic
  • Most store their food as glycogen
  • Examples include mushrooms, moulds and yeast
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Plantae

  • Over 25000 species
  • Multicellular
  • Has a nucleus and other membrane bound organelles including chloroplasts, and a cell wall mainly composed of cellulose
  • All contain chlorophyll
  • Nutrients are aquried by photosynthesis
  • They are autotrophic feeders (organisms that make their own food)
  • Store food as strach
  • Examples include flowering plants such as roses, trees such as oak, and grasses
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Animalia

  • Multicellular
  • Has a nucleus and other membrane-bound organelles (no cell walls)
  • No chloroplasts
  • Move with the aid of cilia, flagella, or contractile protiens, sometimes in the form of muscular organs
  • Nutrients are acquired by ingestion - they are heterotrophic feeders
  • Food stored as glycogen
  • Examples include mammals such as cats, reptiles such as leopard geckos, molluscs, worms, sponges, and anemones
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