Lecture 12, Ch. 28

Lecture 12, Ch. 28 - algae; numerous hair-like projections...

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Lecture #12 Date ________ Chapter 28~ The Origins of Eukaryotic Diversity
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Protists Ingestive (animal-like); protozoa Absorptive (fungus-like) Photosynthetic (plant-like); alga
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The Endosymbionic Theory Mitochondria and chloroplasts were formerly from small prokaryotes living within larger cells (Margulis)
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1- Groups lacking mitochondria; early eukaryotic link; Giardia (human intestinal parasite; severe diarrhea); Trichomonas (human vaginal infection) 2- Euglenoids ; autotrophic & heterotrophic flagellates; Trypanosoma (African sleeping sickness; tsetse fly)
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Alveolata : membrane-bound cavities (alveoli) under cell surfaces; dinoflagellates (phytoplankton); Plasmodium (malaria); ciliates ( Paramecium)
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Stamenophila : water molds/mildews and heterokont (2 types of flagella)
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Unformatted text preview: algae; numerous hair-like projections on the flagella; most molds are decomposers and mildews are parasites; algae include diatoms, golden, and brown forms Protist Systematics & Phylogeny, IV Rhodophyta : red algae; no flagellated stages; phycobilin (red) pigment Chlorophyta : green algae; chloroplasts; gave rise to land plants; volvox, ulva Protist Systematics & Phylogeny, V Affinity uncertain: Rhizopods: unicellular with pseudopodia; amoebas Actinopods: ray foot (slender pseudopodia; heliozoans, radiolarians QuickTime and a Cinepak decompressor are needed to see this picture. Protist Systematics & Phylogeny, VI Mycetozoa : slime molds (not true fungi); use pseudopodia for locomotion and feeding; plasmodial and cellular slime molds QuickTime and a Cinepak decompressor are needed to see this picture....
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This note was uploaded on 09/22/2009 for the course BIOL BIOL 51 taught by Professor Janetkoprivnikar during the Spring '08 term at Pacific.

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Lecture 12, Ch. 28 - algae; numerous hair-like projections...

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