
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
CH 21 PROTISTS AND FUNGI
21.1 Protist Classification
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.

Recent studies divide protists into six major clades
 Each
could be considered a kingdom.

Split between Archaea and Eukarya may have
come as early as 2.5 billion years ago.