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sept 24 - ○ Wings • Conclusion Although the bone...

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Grain size card? Two localities in upper Cretaceous; four localities in lower Cretaceous Looking at Cretaceous units in a varietyof places Boots and jeans 9 bags, 1 or 2 gallon size and the rest quart size bags Objective and Method Sheet Bones Different development Bones in front limbs are homologous Use for different functions Homoplasy - convergence (in terms of function) The structure is slightly different between the invertebrates: bats, bird, and pterosaur
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Unformatted text preview: ○ Wings • Conclusion: Although the bone forelimbs hold different functions for the different organisms, they are composed of the same thing. How do we use modern organism as a key to past organism? Nautoloid • 9 Thursday, September 24, 2009 9:45 AM Paleobiology Page 1 Puts buoyancy in the back Paleobiology Page 2...
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sept 24 - ○ Wings • Conclusion Although the bone...

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