Unformatted text preview: ll walls. “Protista” : Brown Algae (p. 355; 317)
317 Large, conspicuous marine
Basic body structure: thallus;
(fllat sheets of undifferentiated
Multcellular, but simple.
Degree of cell differentiation
Phylogenetically related to
diatoms. Brown Algae
Holdfast organ Laminae (“leaves”)
Large kelp washed ashore after South African storm
Large “Protista”: Red Algae (p. 340; 322)
Protista”: Structurally complex seaweeds.
Most abundant in tropics/ warm water.
Phycobilins capture green light in deeper waters.
Distant relative of plants (share primary plastid endosymbiosis) Protista: Green Algae (P. 345-358, 327)
Protista: Together with plants, form a monophyletic group.
monophyletic “Viridophytes” (green plants).
Share several basic cellular characters with plants.
Variable habit: Unicellular, filamentous, colonial, weakly
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- Spring '14
- Botany, green algae, Fern, Gametophyte, Lycophytes