Distribution of organisms

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  • Distribution of Organisations
    • Affected by the environment
      • Temperature
      • Availability of water
      • Availability of Oxygen and CO2
      • Availability of nutrients
      • Amount of light
    • Quadrats
      • Study the distribution of small organisms
      • A square frame enclosing a known area.
      • Compare how common an organism is in two sample areas
      • Placed randomly on a sample area
      • Done to another sample area for comparison
    • Transects
      • How organisms are distributed across an area
      • Quadrats placed along a line at intervals
      • See distribution from e.g shade to light


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