Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

Discover how plants survive in the desert with this third-grade habitat worksheet!

What do a raven, a bat, and a wolf have in common? Similar skeletal structures! In this Halloween worksheet, middle-grade students will explore homologous structures in different animals. 

Why do some desert animals have large ears? Why do others have scales? Learn the answers to these questions and more with this life science worksheet!