Biology 18.3

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Biology 18.3

  1. 1. Kingdoms and Domains 18.3<br />
  2. 2. Domain<br />Most inclusive taxonomic category; larger than a kingdom. <br />
  3. 3. Bacteria <br />Domain of unicellular prokaryotes that have cell walls containing peptidoglycan.<br />
  4. 4. Eubacteria <br />Kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan.<br />
  5. 5. Archaea<br />Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan. <br />
  6. 6. Archaebacteria <br />Kingdom of unicellular prokaryotes whose cell walls that do not contain peptidoglycan.<br />
  7. 7. Eukarya<br />Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals.<br />
  8. 8. Protista <br />Kingdom composed of eukaryotes that are not classified as plants, animals, or fungi. <br />
  9. 9. Fungi <br />Kingdom composed of heterotrophs; many obtain energy and nutrients from dead organic matter.<br />
  10. 10. Plantae<br />Kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose.<br />
  11. 11. Animalia <br />Kingdom of multicellular eukaryotic heterotrophs whose cells do not have cell walls. <br />
  12. 12. Key Concept<br />What are the six kingdoms of life as they are now identified?<br />The six-kingdom system of classification includes the kingdoms Eubacteria, Archaebacteria, Protista, Fungi, Plantae, and Animalia.<br />
  13. 13. Key Concept <br />What is the three-domain system of classification?<br />The three domains are the domain Eukarya, Which is composed of protists, fungi, plants, and animals; the domain Bacteria, which corresponds to the kingdom Eubacteria; and the domain Archaea, which corresponds to the kingdom Archaebacteria.<br />

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