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In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).

In this activity, learners will discover how the thin layers of amphibians' skin allow water and other chemicals to pass through it.

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.

In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.

In this activity (on pages 25-31 of PDF), learners soak sponges with different amounts of plaster of paris to simulate different levels of calcification in bone formation.