Microbial Life: Prokaryotes and Protists - Renz Science

Figure 16.21BFigure 16.21B_1Nucleariids1 billionyears agoFungiA nucleariid, closest livingprotistan relative of fungiIndividualchoanoflagellateNucleariidsChoanoflagellatesAnimalsColonialchoanoflagellateSpongecollar cellFungiA nucleariid, closest livingprotistan relative of fungiSpongeFigure 16.21B_2Figure 16.21B_3IndividualchoanoflagellateChoanoflagellatesColonialchoanoflagellateAnimalsSpongecollar cellSpongeYou should now be able toYou should now be able to1. Describe the structures and functions of the diversefeatures of prokaryotes; explain how these features havecontributed to their success.2. Explain how populations of prokaryotes can adapt rapidlyto changes in their environment.3. Describe the nutritional diversity of prokaryotes and explainthe significance of biofilms.4. Explain how prokaryotes help clean up the environment.5. Compare the characteristics of the three domains of life;explain why biologists consider Archaea to be more closelyrelated to Eukarya than to Bacteria.6. Describe the diverse types of Archaea living in extremeand moderate environments.7. Distinguish between the subgroups of the domainBacteria, noting the particular structure, special features,and habitats of each group.8. Distinguish between bacterial exotoxins and endotoxins,noting examples of each.9. Describe the steps of Koch’s postulates and explain whythey are used.10. Explain how bacteria can be used as biological weapons.© 2012 Pearson Education, Inc.© 2012 Pearson Education, Inc.26