Elementary schoolers take a look at how the saguaro cactus adapts to the four seasons of the year. This amazing plant has distinct flowering and fruiting cycles within the summer season, and other cycles during the other seasons. Your...

Second graders explore biology by researching animal characteristics. In this adaptation lesson, 2nd graders identify the history of several animals and research the changes that have occurred to their anatomy over thousands of years....

Students explore the attributes of amphibians. For this physical frog biology lesson, students discover facts about the muscles of frogs and then play 2 games that require them to move like frogs.