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Unit 5: The Evolutionary History of Diversity Protists Review
  1. The kingdom formerly known as is crumbling. Protists are more diverse than any other eukaryotes and consist of as well as organisms.
  2. In the food web, protists can be , which contain chloroplasts, , which absorb or ingest food, or a combination called .
  3. Much of protist diversity has its origins in serial endosymbiosis.
  4. Euglenozoa, such as Euglena, contain a crystalline rod inside their .
  5. Dinoflagellates are photosynthetic and often contain internal plates of ; two propel them through water in a spinning motion.
  6. Ciliates use to move and feed. An example is Paramecium, which can undergo genetic recombination by conjugation.
  7. Golden algae ( ) can be unicellular or colonial and contain yellow and brown for photosynthesis.
  8. Brown algae ( ), are multicellular "seaweeds" that include Giant which forms aquatic "forests", and Weed which has air bladders to help it float.
    • An innovation among the multicellular algae is the of generations.
  9. Red algae and green algae are the closest relatives of land plants.
    • Red algae ( ) contain the pigment , which masks the green of . Some are multicellular, edible "seaweeds".
    • Green algae ( ) contain that give them their green color. The can live symbiotically with fungi as .
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