Published by the Nuffield Foundation this Revised Nuffield Advanced Biology Practical Guide is linked to chapters 26 – 29 of Study Guide II. Technical information and notes for teachers about the practical activities is given in...

With this resource, students develop observation skills by investigating the phenomenon of ‘mate-guarding’ in brine shrimp. Following a teacher-led discussion, students generate hypotheses. For example, one of the hypotheses may be that larger females pair with larger males.

These may be tested...

A Year Ten module from the Salters’ double award GCSE science course. This module deals with interactions between species in ecosystems. Students are shown how stable conditions lead to a natural balance in populations and how human activities can disturb this balance....