Surface Area to Volume Ratio

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  • Created by: kmcc821
  • Created on: 04-04-16 14:17
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  • Surface Area to Volume Ratio
    • Surface Area
      • Total number of cells in direct contact with the surrounding environment
      • Affects the rate of exchange at exchange surfaces
    • Size of Organisms
      • As the size of organism increases the surface area to volume ratio increases
    • Small Organisms
      • Gain all the requirements and remove all waste through their body surface
    • Large Organisms
      • Surface Area is not large enough to meet metabolic needs.
      • Specialised exchange surfaces can increase rate of exchange to meet its needs.
    • Volume
      • The total 3 dimensional space occupied by metabolically active tissue
        • Volume for metabolically active tissue influences demand for metabolites


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