17March13 - Biology 102, Spring 2008: Lecture 17, March 13:...

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Biology 102, Spring 2008: Lecture 17, March 13: The Oldest Eukaryote Lineages: Protists . Reading: Margulis and Sagan, Chapter 5 (Permanent Mergers) Topics and Learning Targets: Characteristics of eukaryotes Origin of eukaryotes Major groups of protists Sexual and asexual reproduction Lifecycles Guiding Questions: What distinguishes eukaryotes from prokaryotes? How did eukaryote characteristics evolve? What are protists? What are the major groups of protists? What is an organismal lifecycle? Characteristics of eukaryotes Origin of eukaryotes Internal membranes (endoplasmic reticulum) Organelles: Endosymbiotic theory Mitosis and meiosis? Protistans - the simplest eukaryotes Single celled or multicellular. Asexual and/or sexual reproduction. Heterotrophs, autotrophs, or both. Some lineages have close evolutionary ties to the other kingdoms. Parasites, predators, decomposers, and several important plant and animal pathogens. Found in aquatic and marine habitats and soil; some species are symbiotic.
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17March13 - Biology 102, Spring 2008: Lecture 17, March 13:...

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