Energy Pyramid

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Energy Pyramid
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Pyramid of Energy

• -Pyramid shows amount of energy in each trophic
  level
• - Only 10 of energy from a trophic level is
  passed on to the next level
• - the missing 90 is released as heat of
  metabolism

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Energy pyramid
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Only 10 of energy gets passed to the next
trophic level
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Biomass

• the total weight of living things at a trophic
  level
• Biomass needs energy

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Biomass Pyramid

• Lower trophic levels have more biomass

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Biomass Pyramid
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Pyramid of Numbers

• population size usually decreases at each trophic
  level

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there are exceptions to the pyramid of numbers
example 1 tree is food for thousands of insects