SydneySara

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SydneySara
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176905
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SydneySara
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2012-10-10 21:51:43
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Biology 18
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Biology (ch. 18)
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  1. Taxonomy provides consistent ways to _____ organisms.
    name
  2. Two different organisms _______ have the same scientific name.
    cannot
  3. A genus is a taxoonomic category that contains serveral _________.
    species
  4. The least inclusive group to which an organism can be assigned is its _________
    species
  5. A species is a _______ taxonomic group than genus.
    smaller
  6. Organisms that have similar traits but evolved independently are the result of ________ evolution.
    convergent
  7. _______ is used to determine the sequence in which different groups of organisms evolved.
    Cladistics
  8. In modern systematics, studies of the ____ __________ of vertebrates have helped researchers to estimate the time at which each species began to evolve.
    DNA mutations
  9. All organisms in the kingdom ________ are multicellular heterotrophs whose cells lack cell walls.
    Anamilia
  10. Archea are _____ ________ that are characterized be several unique biochemical characteristics.
    Archae bacteria
  11. The current system used for naming organisms was developed by________
    Linnaean
  12. The two-word syste for naming organisms is called____________
    bionomial nomenclature
  13. The scientific name of an organism gives biologists a common way of _____________ regardless of their native languages.
    communicating
  14. All names assigned to organisms under the Linnaean system are in the ________ language.
    Latin
  15. The unique two-word name for a species is its _________ name.
    scientific
  16. All living things are grouped into one of three ________
    domains
  17. There are _____ levels of classification in the modern classification system.
    8
  18. A kingdom contains many ________
    phylum
  19. Each level of classification is based on ___________ shared by all the organisms it contains
    characteristics
  20. homo habilis, homo erectus, and homo sapiens all belong to the same _______
    genus
  21. Traditionally, scientists have used differences in appearance and ________ to classify organisms.
    structure
  22. The type of evolution that results in similar characteristics found in different organisms as the result of selection within similar enviroments is called _______ evolution
    convergent
  23. The evolutionary history of a species is called its __________
    phologeny
  24. Shared derived characters are found in organisms that once shared a ________ ancestor.
    common
  25. A method of analysis that reconstructs phylogenies by inferring relationships based on shared characteristics is called ________
    cladistics
  26. A model developed by systematists that uses shared derived characters to show the evolutionary history of different organisms is called ____________
    Cladogram
  27. Two kingdoms include prokaryotes, while four kingdoms include ____________
    eukaryotes
  28. Bacteria have strong exterior cell walls made of ___________
    peptidoglycan
  29. An organism made of many cells that are permanently associated and that coordinate their activities is called a __________ organism.
    multicellular
  30. Eukaryotes that are not fungi, plants, or animals, are called _________
    protista

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