Why Do Humans Have a Third Eyelid?

Are you looking for evidence that your high schoolers are adapting to the concepts of natural selection and evolution? Assess their knowledge with a pretest and posttest. Naturally, you can select and adapt the worksheet to be the...

Vestigial structures no longer perform their original function but are still found in many species. A video discusses the appendix, tail bone, wisdom teeth, and more. It explains the original purpose, the current purpose, and connections...

In this evidence of evolution worksheet, students review notes given by referring to the Nelson Biology text, chapter 11/13. Students read the notes and the specified pages in the text.

Did you know parts of our body was inherited from distant animal ancestors? In this interactive students will investigate different anatomical features of the human body to reveal our evolutionary history. Learn how humans share...

This resource provides complete, mini-learning modules about different aspects of the human body. Click on the eyeball to focus your search.

This webpage is a great resource for elementary teachers who are looking for activities, lessons, facts, and experiments pertaining to the eye.

Students, given a block of wood and a screw or nail, are asked to put that screw or nail into a block. They examine how many contrivances and other imperfections found in living things are best explained by the process of evolution.