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 (251 KB)

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

Here is more about Biotutor