After watching the program, discuss with the children reasons why they think biodiversity may be important List the 'genetic diversity' in the class by using differences in hair colour, hair type and eye colour. There is also 'ecosystem diversity'. Look out of the classroom window or take a stroll around the school yard and look for different 'ecosystems'. Using the list of 'ecosystems' ask the students to predict the most and least 'species diverse' ecosystems. Record the results against the initial prediction list.
Extensions Ask the students to make their own string circles.