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Study Populations

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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Question
Answer
Estimate   is an approximation of a number,based on reasonable assumptions  
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Birth rate   of a population is the number of births in a population in a certain amount of time  
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Death rate   is the number of deaths in a certain amount of time  
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Immigration   means moving into a population  
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Emigration   means leaving a population  
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Population density   the number of individuals in an area of a specific size  
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limiting factor   is an environmental factor that causes a population to decrease  
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Carrying capacity   the largest population that an area can support  
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