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Chapter 6 APES

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Population   show
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Community   show
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Population Ecology   show
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Population Size (N)   show
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show The number of individuals per unit area at a given time.  
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show A description of how individuals are distributed with respect to one another.  
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Sex ratio   show
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Age Structure   show
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Limiting Resource   show
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Density-dependent factor   show
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show A factor that has the same effect on an individuals probability of survival and the amount of reproduction at any population size.  
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Carrying capacity (K)   show
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Population growth models   show
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Population growth rate   show
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show The max. potential for growth of a population under ideal conditions with unlimited resources.  
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show A growth model that estimates a population's future size after a period of time based on the intrinsic growth rate and the number of reproducing individuals currently in the population.  
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show The curve of the exponential growth model when graphed.  
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show A growth model that describes a population whose growth in initially exponential, but slows as the population approaches the carrying capacity of the environment.  
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S-Curve   show
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Overshoot & Die-off   show
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show A species with a low intrinsic growth rate that causes the population to increase slowly until it reaches carrying capacity.  
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r-selected species   show
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show A graph that represents the distinct patterns of species survival as a function of age.  
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Metapopulation   show
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show an agricultural method in which land is cleared and used for a few years until the soil is depleted of nutrients.  
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desertification   show
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show the feeding of herds of animals by moving them to seasonally productive feeding grounds, often over long distances  
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sustainable agriculture   show
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intercropping   show
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show an agricultural technique in which crop species in a field are rotated from season to season  
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agroforestry   show
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contour plowing   show
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perennial vs annual plant   show
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show an agricultural method in which farmers do not turn the soil between seasons as a means of reducing topsoil erosion  
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show an agricultural practice that uses a variety of techniques designed to minimize pesticide inputs  
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organic agriculture   show
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Individual Transfer Quota (ITQ)   show
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aquaculture   show
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Created by: fbenitez155