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ch 34
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Which should conclude that its not a snake
the absence of scales on its surface
which if observed, should help them arrive at a conclusive answer
presence of lungs
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)
Which strucutres should be found upon dissection
reduced or absent pelvic and/or pectoral girdles
condidtion of the eyes in this organism is similar to placental and marsupial moles
posterior-directed opening of the female bandicoot's marsupium
which should clear up any remaining doubt?
blood vessels carrying oxygenated blood from both the skin and functional lung to the heart
mystery organism belongs to which order and class?
Apoda
Amphibia
extant reptiles that had returned to an aquatic life
1 and 2
represents extant, nonbird reptiles
3 and 4
forelimbs are most analogous to those of keeled birds and bats
7
dna would have sequence homologies with amphibian dna
9
most inclusive have foramina magna centrally positioned in base
hominins
apes
hominoids
apposable thumbs
anthropoids
prosimians
primates
old world monkeys and new world monkeys
anthropoids
found in all species of eumetazoan animals
Hox
cluster of genes coding for transcription factors involved in evolution of innovations in early vertebrate nervous syst and vertebrae
Dlx
gene linked to development of speech in hominids
FOXP2
Author
Anonymous
ID
53573
Card Set
ch 34
Description
long questions
Updated
2010-12-06T01:19:18Z
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