Protists

Nucleus Power


Habitat

  • watery environments
  • moist soil
  • hosts

    Structure

  • Variety of Shapes
  • DNA is found in nucleus

    Types

    ANIMAL-LIKE PROTISTS

  • Heterotrophs
  • Four Main Groups
    Sarcodines
  • Have a false-foot
  • Most have shells to support and protect the cell
    - found in chalk and marble
  • EXAMPLE - Ameba
    Ciliates
  • Have cilia (hair-like projections used for food and movement)
  • EXAMPLE - Paramecium
    Zooflagellates
  • Have between 1-8 flagella
  • EXAMPLE - Causes the African Sleeping Sickness (spread by the tsetse fly)
    Sporozoans
  • parasites that feed on the cells and body fluids of their host animals
  • EXAMPLE - Plasmodium (causes malaria)

    PLANT-LIKE PROTISTS

  • Autotrophs
  • Some live in a symbiotic relationship (coral)
  • produce 70% of the earth's oxygen supply
  • Types
    Euglena
  • Have an eyespot that is sensitive to light
  • Have a pouch that holds two flagella
    Diatoms
  • Found in toothpaste and other polishing agents
  • beautiful shells Dinoflagellates
  • The reason for the Red Tide

    FUGUS-LIKE PROTISTS

  • Heterotrophs
  • Caused the Great Potato Famine that killed over one third of Ireland's population
  • Can attack other crops


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