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Population+Sampling

QuestionAnswer
Population All of the members of one species in a particular area
Sampling A smaller part of the population that helps scientists estimate the total number
Direct observation Counting all the members of the population
Indirect observation Estimating the population by looking at the signs of organisms
Mark and Recapture Marking a sample of captured organisms, releasing them and then later capturing another sample of organisms, noting how many are marked and how many are not marked. Using a formula, calculating an estimate of the population
Population Density The number of individuals in a calculated area. Number of individuals divided by the Unit area
Limiting factors An environmental factor that causes a population to decrease
Carrying capacity The largest population that an area can support
Subset A part of the population
Immigration Organisms moving into a population (In)
Emigration Organisms moving out of a population (Exit)
Created by: user-2015449
 

 



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