Biodiversity2

Biodiversity2 - 9/21/2009 Biodiversity Part 2 - Eukarya 3...

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9/21/2009 1 Biodiversity Part 2 - Eukarya 1 Domain Eukarya Kingdom Protists 3 Domain classification 2 [____Prokaryotes________] Domain 3 = Eukarya ± 4 traditional kingdoms ² Protista ² Fungi ² Plantae ² Animalia 3 Comparison 4 Kingdom Protista ± Protists are eukaryotes that are not classified in the plant, animal, or fungal kingdoms, though some protists are closely related to plants or animals or fung closely related to plants or animals or fungi 5 Kingdom Protista ± First and simplest eukaryotes ± Most unicellular but some are colonial or simple multicellular ± Some photosynthesize while others eat bacterial or other protists ± Most live in aquatic habitats 6
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9/21/2009 2 Kingdom Protista ± Two common characteristics ² Most abundant in moist habitats ² Most of them are microscopic in size ± Are not grouped into single “Phyla” ± Classified into “Supergroups” based on their distinctive features, ecological roles, habitats or motility 7 Classification ± Classified into “Supergroups” based on distinctive features: ² Ecological roles ² Habitats ² Motility 8 Classified by ecological role ± 3 major groups ² Algae – photosynthetic and nonphotosynthetic ± Not monophyletic 9 ² Protozoa – heterotrophic ± Not monophyletic ² Fungus-like – resemble fungi in body form
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Biodiversity2 - 9/21/2009 Biodiversity Part 2 - Eukarya 3...

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