18+BIOL151X+S11+ecosystems+1

18+BIOL151X+S11+ecosystems+1 - 18 Community Ecology...

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1 Community Ecology Character displacement Island Biogeography Ecosystem Biology Energy and material flow through ecosystems Biogeochemical cycles (Carbon and Nitrogen) Human impact on ecosystems
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2 Character Displacement
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3 If the two finch species colonized an island on which there are seeds of only one size, what would Gause’s principle of competitive exclusion predict? A. The species would hybridize and become one species. B. G. fulginosa would evolve small beaks & G. fortis would evolve large beaks. C. One species would probably disappear from the island. D. The plants would evolve seeds of different sizes. E. It’s impossible to predict the outcome.
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4 Species-Area Relationship
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5 Island Biogeography Model Islands are excellent systems to study species area relationships
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6 Island Biogeography Model
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7 Island Biogeography Model
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8 Island Biogeography Model Equilibrium is reached when immigration equals extinction Equilibrium does not mean
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This note was uploaded on 05/01/2011 for the course BIOL 1510 taught by Professor Jungh.choi during the Spring '07 term at Georgia Tech.

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18+BIOL151X+S11+ecosystems+1 - 18 Community Ecology...

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