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1 26-12

  1. 1. Animal Like Protists Phylum Sarcomastigophora Phylum Apicompleza Phylum Ciliophora
  2. 2. Protists <ul><li>Over 38,000 species of protists! </li></ul><ul><li>Members of the original life forms on earth! About 1.5 billion years ago! </li></ul><ul><li>Some protists are plant like, some are animal like </li></ul><ul><ul><li>Protozoa: animal like protists </li></ul></ul><ul><li>Many have symbiotic relationships: </li></ul><ul><ul><li>Parasitism </li></ul></ul><ul><li>Scientists who study only protists: protozoologists </li></ul>
  3. 3. Protozoa <ul><li>Protozoa </li></ul><ul><ul><li>Unicellular, plasmic organization </li></ul></ul><ul><ul><li>BUT THAT DOES NOT MEAN THEY ARE SIMPLE </li></ul></ul><ul><ul><li>Individuals or colonies </li></ul></ul>
  4. 4. Describe the characteristics of the species: Actinospharium
  5. 5. Difficult? <ul><li>What if you used taxonomy? </li></ul><ul><ul><li>Domain: Eukarya </li></ul></ul><ul><ul><li>Kingdom: Protista </li></ul></ul><ul><ul><li>Phylum: Sarcomastifophora </li></ul></ul><ul><ul><li>Class: zoomastigophorea </li></ul></ul><ul><ul><li>Subphylum: Pseudopodia </li></ul></ul><ul><li>TAXONOMY GIVES US CLUES! </li></ul><ul><li>USE IT! </li></ul>
  6. 6. Phylum Sarcomastigophors <ul><li>Largest protozoan phylum. </li></ul><ul><li>All protozoa in this phylum: </li></ul><ul><ul><li>Unicellular or colonial </li></ul></ul><ul><ul><li>Locomotion by flagella, pseudopodia, or both </li></ul></ul><ul><ul><li>Autotrophic, saprozoic, heterotrophic </li></ul></ul><ul><ul><li>Single type of nucleus </li></ul></ul><ul><ul><li>Sexual or asexual reproduction </li></ul></ul>
  7. 7. Euglena <ul><li>Class Phytomastigophorea </li></ul><ul><ul><li>Possess chlorophyll, 1 or 2 flagella </li></ul></ul>
  8. 8. Euglena <ul><li>Salt or fresh water </li></ul><ul><li>Can perform photosynthesis or absorb nutrients </li></ul><ul><ul><li>The stigma at the base of the flagella allows the euglena to orient themselves towards a light source </li></ul></ul><ul><li>Reproduce using binary fission </li></ul><ul><ul><li>Split into two new organisms </li></ul></ul>
  9. 9. Euglena Structure

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