Ecological Pyramids

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Ecological Pyramids
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Ecological Pyramids represent graphically the
structure of an ecosystem

• Pyramid of Energy Flow shows the energy that
  flows through each trophic level notice that
  there is less energy at each higher level.

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Pyramid of Numbers shows the actual size of
populations.
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• Pyramid of Biomass measures the biomasse ( g/m²
  ) of the organisms in a food chain.

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Homework

• Read pages 8-9, 14-17
• Do questions 1-6, page 17