evo test 3

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kindlyunspoken09
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215223
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evo test 3
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2013-04-22 23:01:54
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  1. The mean or normal extinction rate throughout time.
    background extinction
  2. The evolution of the jaw, amniotic egg, and placenta are examples of what?
    key adaptations
  3. some traits evolve and other traits don't
    mosaic evolution
  4. What trends suggest mosaic evolution
    • characters
    • lineages
    • time periods
  5. where there is no evolution happening and then there is a short period of rapid evolution
    punctuated equilibrium
  6. three examples of intermediate forms
    • tiktaalik
    • archaeopteryx
    • basilosaurus
  7. considered a fishapod
    tiktaalik
  8. links birds to dinosaurs
    archaeopteryx
  9. connects terrestrial tetra pod to whales
    basilosaurus
  10. law that older rocks are found on bottom
    law of superposition
  11. three main classes or fossils
    • parts of organisms
    • trace fossils
    • fossil molecules
  12. delocrinus missouriensis
    state fossil
  13. any actual remains or other direct evidence of past life
    fossil
  14. a hypothesis about the evolutionary history of a group of organisms
    phylogeny
  15. developmental pathway of an idividual
    ontogeny
  16. sharing of traits due to common ancestry
    homology
  17. sharing of traits due to convergent evolution
    homoplasy
  18. similar independent evolutionary responses to a common environmental problem
    convergent evolution
  19. what was the host of hiv before humans and how many times did it jump
    • primates
    • 5 times
  20. what determines the polarity of a cladogram
    rooting the tree
  21. early developmental stages tend to be more similar among closely related species
    von baers law
  22. point in a phylogeny where you have more than two branches coming from a single node
    polytomy
  23. you always choose the tree with the fewest number of changes
    principle of parsimony
  24. dating divergence times between lineages using differences in nucleotide sequence of neutral genes
    molecular clock
  25. radially symmetry to bilateral symmetry**
    Cambrian
  26. coelem**
    Cambrian
  27. mollusks**
    Cambrian
  28. jawless fish--pichea**
    Cambrian
  29. echinoderms dominated**
    ordovician
  30. first major extinction**
    ordovician
  31. first major extinction
    sea life due to sea level
  32. jawed fishes**
    silurian
  33. sharks**
    silurian
  34. colonization of land**
    silurian
  35. trilobites**
    devonian
  36. ammonites**
    devonian
  37. crossopterygian**
    devonian
  38. terrestrial vertebrates**
    devonian
  39. tetra pods**
    devonian
  40. amphibians**
    devonian
  41. insects**
    devonian
  42. winged insects**
    devonian
  43. second major extinction**
    devonian
  44. second major extinction
    drop in sea level
  45. tropical globe**
    carboniferous
  46. seed ferns**
    carboniferous
  47. reptiles**
    carboniferous
  48. third major extinction
    • 96% of all species
    • 52% of marine species
  49. third major extinction**
    permian
  50. pangaea breaks up**
    triassic
  51. gymnosperms**
    triassic
  52. dinosaurs**
    triassic
  53. mammals**
    triassic
  54. fourth extinction**
    triassic
  55. birds**
    jurassic
  56. flowering plants**
    cretaceous
  57. fifth major extinction**
    cretaceous
  58. fifth major extinction
    dinosaurs
  59. placental and marsupial mammals**
    tertiary
  60. great faunal exchange**
    tetriary
  61. extinction of large mammals**
    quaternary
  62. humans**
    quaternary

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