In the natural world, beauty can be many things -- including what we might find completely repulsive. Watch the full episode online.

There are important reasons why certain "ugly" animals look the way they do. Their features help them survive in the great outdoors. In this lesson students will explore their reactions to these less than lovely creatures.

We often talk about the beauty of nature. Well, sometimes you have to dig a little deeper to appreciate the beauty of some funny looking creatures.