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Changes in Communities

Description

this is about the changes in communities
jvillalobos
Mind Map by jvillalobos, updated more than 1 year ago
jvillalobos
Created by jvillalobos over 6 years ago
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Resource summary

Changes in Communities
  1. Changes in size
    1. Birth rate is the numbers of births per, 1000 individuals in a tiem period
      1. Death rate is the number of deaths per 1,000 individuals in a certain period
        1. Immigration means moving into a population
          1. Emigration means living a population
    2. Limits of population growth
      1. Climate conditions such as temperature and the amount of rainfall can limit the population groth
        1. Space is another limiting factors for populations, for example some birds need nesting space if they dont find it the birds cannot born
          1. Food and water are required to survive because when wood and water are limited suply they can be limiting factors
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