Ecology: Food Webs and Ecological Pyramids Powerpoint Slide Show

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Description

This 25 slide PPT covers
Food webs
~Food chains
~Trophic levels
~Producers, primary consumers, secondary consumers etc.
~Autotrophs and heterotrophs
~Energy transfer through a food web
~Herbivores, carnivores, omnivores, decomposers, and scavengers
Ecological pyramids
~Producers, primary consumers, secondary consumers etc.
~Passage of energy through trophic levels
~Practice problem with answer

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