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14+BIOL151X+S11+population+ecology+2

14+BIOL151X+S11+population+ecology+2 - 15 Population...

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1 15 Population Ecology 2
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2 A species with the survivorship curve show below would have A. low birthrates that increase with female age. B. constant mortality throughout the lifespan. C. high early mortality. D. high late mortality. E. C and D. Age log # Survivors
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3 Population Ecology Life history and life cycles Demography Population growth Regulation of population size How do interactions with other species change population size? Predator-prey! dN dt = rN
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4 Exponential Population Growth “r” can assume its maximum rate for the species in question Figure 53.10
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5 The exponential equation of population growth  describes A. a population where the growth rate slows as the  population size increases. B. population growth limited by the maximum  population size that the habitat can sustain.  C. a population growing at its intrinsic rate of natural  increase.  D. A and B.  E. B and C. 
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6 The Logistic Growth Model Incorporates the idea of a carrying capacity (K) Varies with the abundance of limiting resources over space and time
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