Alabama Learning Exchange
Alex: Endangered Species
The topic of endangered species is one that needs to be addressed with every student. As more and more plants and animals become extinct, students, as inhabitants of this ecosystem, need to be aware that human actions affect the planet....
Science Education Resource Center at Carleton College
Serc: Differentiated Tiering Food Web and Chains Activity
Two differentiated tasks about food chains and webs. In the more challenging task, students construct a food web to show the relationship of the animals and plants in a given environment. In the lower level task, students create a food...