This online ecology practical, by SAPS, is designed to give students an opportunity to see how systematic sampling can be used to

• investigate changes in species richness across a footpath
• the distribution of species across a footpath

These online exercises are not intended as a...

In this activity students consider the questions: Which components of food are healthy and which are not? Why should we care about this? What are the effects of the individual components of food on the human body? What do our families eat? What are the likely effects of what we eat? How can we ensure that the...