In this activity, designed by Rick Crosslin, students separate microfossils from an Ordovician-age dry clay soil sample and then observe them using ha...
Pecking at foam packing peanuts with spoons, golf tees, and clothes pins, students simulate the effects of different beak characteristics on birds’ at...
This laboratory focuses on the mutualistic relationship between the giant tortoise (Geochelone elephantopus) and the Galápagos tomato (Lycopersecon es...