BS 110 Notes 10-20-2010

BS 110 Notes 10-20-2010 - Nonmotile, cell wall, protected...

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BS 110 Notes 10-20-2010 Characteristic Flagella: Diatoms, Brown Algae, Oomycetes Rhizarians: amoebas, unicellular, threadlike pseudopods, phagocytosis o Foraminiferans, radiolarians Archaeplastidas: unicellular, colonial, multicellular, ancient protest ancestor that engulfed a cyanobacterium o Red/green algae, land plants Unikonts: unicellular, multicellular o Amoebas, opisthokonts (fungi, animalia) Origin of Multicellular Organisms Appeared/evolved ~750mya Greater complexity in organelles of eukaryotic cells let to many adaptations Eukaryotic cells have more genetic material/information and are more efficient metabolically Links between unicellular organisms and multicellular ones were colonies Cells of multicellular organisms have a fuction (specialize) and cells coexist and cooperate o Cells to tissues to organs to systems to individuals Multicellularity evolved many times Exam 2 above Chapters 24, 23, 25, 26, 27, 19, 28
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Super Group: Archaeplastid Kingdom: Plantae
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Unformatted text preview: Nonmotile, cell wall, protected embryo, most multicellular, autotrophic, chloroplasts contain chlorophyhll a and carotenoids Alteration of diploid and haploid generations o Non vascular plants lack complex vascular tissue, few have simple vascular tissue, thallus Vascular tissue tissue specialized for the long distance transport of materials inside the plant No roots, stems, leaves Body is commonly called a thallus Phyla Phaeophyta brown algae Rhodophyta red algae Chlorophyta green algae o All Have: Chlorophyll a Starch, cellulose major form of carbohydrate stored Oogamous reproduction large stationary egg Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyte mosses o All Have Small, damp terrestrial areas Waxy covering Few have simple vascular tissue Sperm transferred through water and dew Similar to first land plants...
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BS 110 Notes 10-20-2010 - Nonmotile, cell wall, protected...

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