Fossil Eukaryotic algae. Oldest (Grypania

Fossil Eukaryotic algae. Oldest (Grypania

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