Biotutor special
There has been a request on the Biotutor email discussion list for an old Nuffield Biology worksheet. Here it is: 'Looking at pigs trotters', from Nuffield Co-ordinated Sciences GCSE Biology 1988.
Pig trotters While you are about it, have a look round this website at our Salters-Nuffield Advanced Biology project if you haven't already.
There is a new edition with a new website for September 2008.
See Salters-Nuffield Advanced Biology
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