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Transcript 
Fossil Eukaryotic algae. Oldest (Grypania, specimen from N.
Michigan) dates to 2.1 billion years
Grypania
TEXT FIG. 7.4—PROKARYOTIC CELL
TEXT FIG. 7.7; EUKARYOTIC CELL
TEXT FIG. 7.8—EUKARYOTIC PLANT CELL
TEXT FIG. 28.4
TEXT FIG. 28.7
TEXT FIG. 28.4
Trichomonas vaginalis
A parabasalid
TEXT FIGS 28.9; 28.10
Giardia lamblia A diplomonad
Pelomyxa palustris. An Anaerobic Eukaryote
Scale = 100 um
Lacks mitochondria, has three different
bacterial symbionts—2 of which are
methanogens. Pelomyxa is asexual, and
has non-standard mitosis. It resembles an
intermediate stage in eukaryotic evolution.
Text
Fig. 28.8
Text Fig. 28.5
Text
Fig. 28.25
Text
Fig. 28.8
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