1.  Compare the diagram on pg 504 with the tree of life from chapter 18. What simplifications does this diagram make, how could this simplification be misinterpreted. Explain your answer using your knowledge from Ch 18 and of how cladograms are constructed

2. CH 21 PROTISTS AND FUNGI 21.1 Protist Classification

3. Protists  Eukaryotes that are not members of the plant, animal, or fungi kingdoms  First eukaryotes  Many are unicellular some are multicellular  Great diversity  Euglena, brown algae, diatoms, and slime molds.

4.  Recent studies divide protists into six major clades  Each could be considered a kingdom.

5.  Split between Archaea and Eukarya may have come as early as 2.5 billion years ago.