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ENV 301 Biodiversity and Population Ecology

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Question
Answer
Birth within the population   Natality  
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Death within the population   Mortality  
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Arrival of individuals from outside the population...   Immigration  
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Departure of individuals from the population...   Emigration  
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Growth Rote =   Crude Birth Rate + Immigration Rate - (Crude Death Rate + Emigration)  
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Physical, chemical, and biological characteristics of the environment that restrain population growth:   Limiting Factors  
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Interaction of limiting factors is commonly is referred as:   Carrying Capacity  
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Curve that rises sharply at first but then begins to level off as the effect of limiting factors become stronger:   Growth Curve  
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The forces that stabilize population size and carrying capacity:   Environmental Resistance  
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Common examples of Limiting Factors:   Water, Space, Food, Disease  
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Biotic potential based on quantity not quality:   r-selected  
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Biotic potential based on devoting large amount of energy and resource to caring for and protecting the relatively few offspring -   K-Selected  
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Disappearance of species from Earth:   Extinction  
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Sum total of all organisms in an area:   Biodiversity  
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Population or group of populations whose members share certain characteristics and can freely breed with one another and produce entire offspring:   Species  
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Group of individuals that live in the same area:   Population  
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The process by which new species are generated is termed:   Speciation  
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