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This lesson introduces learners to the world of nematodes (roundworms).

In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.

In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look.

Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

This is an activity where learners will discover what types and how many insects live in their own backyard.