Changes in Communities

irechnitzer
Mind Map by irechnitzer, updated more than 1 year ago
irechnitzer
Created by irechnitzer about 6 years ago
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Changes in communities

Resource summary

Changes in Communities
  1. Changes that can make a poulation change in size
    1. Immigration
      1. Entering the population
      2. Emigration
        1. Leaving the poulation
        2. Birth rate
          1. Number of births , 1000 individuals in a given time period
          2. Death rate
            1. Number of deaths , 1000 individuals in a given time period
          3. Things that can limit a population growth
            1. Water
              1. When an animal does not get enough water they can not live
              2. Space
                1. If anmals do not have enough space they can not live
                2. Climate
                  1. Bad weather can kill animals
                  2. Food
                    1. When an animal does not get enough food they can not live
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