Ecological Pyramids - PowerPoint PPT Presentation

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Ecological Pyramids

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Ecological Pyramids Energy Pyramid shows energy as it moves from one feeding level in a food chain to another. Only 10 percent of energy available at each level is ... – PowerPoint PPT presentation

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Title: Ecological Pyramids


1
Ecological Pyramids
  • Energy Pyramid
  • shows energy as it moves from one feeding level
    in a food chain to another.  

Only 10 percent of energy available at each level
is transferred to next
2
Pyramid of Numbers
1 hawk
  • relative number of organisms at each trophic
    level

8 finches
24 worms or snails
48 green leaves
3
  • Biomagnification
  • Increase in concentration of a substance such as
    DDT through the food chain

4
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