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This lab activity is about toxic substances like pesticides and their effects on biological systems. The activity starts with an introduction of how birds sequester calcium to make an egg.

In this classic activity, learners investigate natural selection by becoming birds foraging for food on an island.

In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.