Kingdom Protista

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Kingdom Protista

• The most diverse kingdom

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Protist

• The protist kingdom contains the most diverse
  collection of organisms.

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Protist

• The one characteristics all protist share is that
  they are all eukaryotes.
• Their cells have a nucleus and membrane bound
  organelles.
• List 5 organelles.

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Protist

• Protists can be classified into 3 groups.
• Animal-like they are heterotrophs
• Plant-like they are autotrophic
• Fungus-like they are decomposers

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Protozoa

• Animal-like protists are call protozoa
• All are unicellular
• All are heterotrophs
• All are aquatic
• Reproduce asexually
• Protozoa Enoploplastron triloricatum

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Protozoa

• Classified by they way they move
• Cilliates protozoa covered by hairlike
  structures
• Paramecium

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HeterotrophicDidinium eating a Paramecium

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Protozoa

• Flagellates- use whiplike flagella to move

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Protozoa

• Amoeba- move by sending out pseudopodia (false
  feet) and oozing around

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Protozoa

• Sporazoans- produce spores
• All are parasites
• Plasmodium lives in mosquitos and causes malaria

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Algae

• Plant-like protist are called algae
• Both unicellular and multicellular
• All are autotrophs

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Algae

• Algae can be classified into six groups
• The euglenoids, diatoms and dinoflagellates are
  all unicellular

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Algae

• The multicellular algae can be classified as
  green, red, or brown

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Spyra Gyra

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Kelp

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Dynoflagellate

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Euglena with red eyspot

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Molds and Mildews

• Fungus-like protists are the water molds, downy
  molds and slime molds

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Mold and Mildews

• All molds and mildews are decomposers

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Mold and Mildews

• Slime molds have the characteristics of both
  protozoans and fungus-like protists.
• During part of their life cycle they are mobile.