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ORGANISMS & DIVERSITY

ORGANISMS & DIVERSITY. What determines relationships in classification?. DIVERSITY OF LIFE. Which is the BEST reason why viruses cannot be considered living? They don’t contain DNA They don’t contain proteins They can’t survive without a host cell They can control gene expression.

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ORGANISMS & DIVERSITY

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  1. ORGANISMS & DIVERSITY What determines relationships in classification?

  2. DIVERSITY OF LIFE Which is the BEST reason why viruses cannot be considered living? • They don’t contain DNA • They don’t contain proteins • They can’t survive without a host cell • They can control gene expression

  3. DIVERSITY OF LIFE Which level of classification include the fewest organisms? • Kingdom • Phylum • Class • Order

  4. DIVERSITY OF LIFE Which taxonomic classification listed below has members that display the greatestsimilarity? • Order • Phylum • Genus • Class

  5. DIVERSITY OF LIFE Which of the following organisms is a prokaryote? • Bacterium • Euglena • Mushroom • Fern

  6. DIVERSITY OF LIFE From what taxonomic kingdom are all eukaryotes thought to have evolved? • Animalia • Fungi • Protista • Archaebacteria

  7. DIVERSITY OF LIFE Which of the following kingdoms does not contain any unicellular organisms? • Protista • Bacteria • Plantae • Fungi

  8. DIVERSITY OF LIFE Which kingdom has representatives with the following characteristics: eukaryotic, multicellular, no cell wall, heterotroph only ? • Bacteria • Fungi • Animal • Protista

  9. DIVERSITY OF LIFE An organism is multicellular, eukaryotic, can move from place to place, does not have cell walls or chloroplasts. Which kingdom does it belong? • Protista • Animalia • Plantae • Fungi

  10. DIVERSITY OF LIFE An organism is multicellular, has no vascular tissue or nervous system, and no chloroplasts, and cell walls made of chitin. Into which kingdom does it belong? • Plantae • Protista • Fungi • Animalia

  11. DIVERSITY OF LIFE Most organisms that obtain their nutrients from dead or decaying organic matter belong to which kingdom? • Animalia • Bacteria • Fungi • Protista

  12. DIVERSITY OF LIFE When scientists place a species on a certain part of the phylogenic tree, which of the following factors are they least likely to consider? • Morphology • DNA similarities • Fossil record • Population size

  13. DIVERSITY OF LIFE What is one important way that Archaebacteria are different from true bacteria (Eubacteria)? • Archaebacteria lack cell walls • Archaebacteria lack cells with a nucleus • Archaebacteria are multicellular • Archaebacteria have different DNA

  14. DIVERSITY OF LIFE You discover a unicellular autotroph that inhabits a pond. Which have you most likely found? • A slime mold • Algae • A sponge • A bacterium

  15. DIVERSITY OF LIFE Which of the following is the BEST reason why viruses cannot be considered living? • They do not contain DNA • They do not contain proteins • They cannot survive without a host cell • They can control the expression of genes

  16. DIVERSITY OF LIFE Which is most closely related to conifers? • Angiosperms • Ginkgoales • Gnetales • Cycadales

  17. DIVERSITY OF LIFE Which derived character separates hagfish from the other animals?

  18. DIVERSITY OF LIFE Which organism is most closely related to the ancestor?

  19. DIVERSITY OF LIFE Of the cladograms shown below, which one shows a different evolutionary history from the others?

  20. DIVERSITY OF LIFE If the length of the horizontal lines in the cladogram below indicates time elapsed since the last common ancestor, which organism is the most modern? Beetles Wasps, bees, ants Butterflies, moths Flies

  21. DIVERSITY OF LIFE Which organisms pictured are most closely related? • Human & bird • Human & fly • Fly & bird • None of these

  22. DIVERSITY OF LIFE Fruit fly Which species are most closely related? • Chimp & fruit fly • Fruit fly & human • Chimp & human • Human & yeast Chimp Fern Human Yeast

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