Use the Trophic levels cards to assign each animal to a feeding position.Use this information to construct a food web for the habitat.
The Data Analysis worksheet will help pupils to construct a pyramid of numbers. Identify one organism at each trophic feeding level using the food web above and the results table, (e.g. one herbivore, one carnivore, one top carnivore, one detritivore).
The Evaluation worksheet helps pupils to organise their evaluation of the method, and to make suggestions for possible improvements to improve the quality of the data collected.