Believe it or not, some dinosaurs are not extinct. Discover this and other interesting facts about dinosaurs in a 10-question online quiz. As individuals answer questions, the resource provides them with feedback and additional facts...

In this evolution worksheet, students will determine the evolutionary relationships among organisms using cladograms and phylogenetic diagrams. This worksheet has 13 short answer questions and 3 multiple choice questions.

To look at the evolution of modern bird feathers, we must start a long time ago, with the dinosaurs from whence they came. Carl Zimmer explores the stages of evolution and how even the reasons for feathers have evolved over millions of...