Interdependance, mutualist, parasites, foodweb
The powerpoint gives a brief overview of pyramids and interdependance. This was designed originally for GCSE but used as a BTec activity. Use the excel sheet to produce a foodweb.


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  • B1_Interdependence.pptx
  • lots of food chains to make a web.xlsx

About this resource


Created: Sep 13, 2012

Updated: Jan 22, 2015

pptx, 4 MB


xlsx, 12 KB

lots of food chains to make a web

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This resource is designed for UK teachers. View US version .

Creative Commons "Sharealike"

Creative Commons "Sharealike"