ch 34

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Anonymous
ID:
53573
Filename:
ch 34
Updated:
2010-12-05 20:19:18
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ch34
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long questions
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  1. Which should conclude that its not a snake
    the absence of scales on its surface
  2. which if observed, should help them arrive at a conclusive answer
    presence of lungs
  3. size difference between lungs in this organism is not a shared ancestral characteristic, existance explained as
    convergent evolution, similar adaptation to a shared lifestyle or bodyplan, homoplasy

    (C)
  4. Which strucutres should be found upon dissection
    reduced or absent pelvic and/or pectoral girdles
  5. condidtion of the eyes in this organism is similar to placental and marsupial moles
    posterior-directed opening of the female bandicoot's marsupium
  6. which should clear up any remaining doubt?
    blood vessels carrying oxygenated blood from both the skin and functional lung to the heart
  7. mystery organism belongs to which order and class?
    • Apoda
    • Amphibia
  8. extant reptiles that had returned to an aquatic life
    1 and 2
  9. represents extant, nonbird reptiles
    3 and 4
  10. forelimbs are most analogous to those of keeled birds and bats
    7
  11. dna would have sequence homologies with amphibian dna
    9
  12. most inclusive have foramina magna centrally positioned in base
    hominins
  13. apes
    hominoids
  14. apposable thumbs
    anthropoids
  15. prosimians
    primates
  16. old world monkeys and new world monkeys
    anthropoids
  17. found in all species of eumetazoan animals
    Hox
  18. cluster of genes coding for transcription factors involved in evolution of innovations in early vertebrate nervous syst and vertebrae
    Dlx
  19. gene linked to development of speech in hominids
    FOXP2

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