A young girl welcoming you inside a zoo, inside of which are a walrus and a zebra, and a horse Classification is the process of organising living things into categories. These categories help us to ...

Editor's Note: This article was originally published at The Conversation. You have likely been to a zoo at some point and visited their reptile house. A building where the climate control dial is ...

These changes separate the reptiles from the amphibians. #1, the evolution of stronger, more effective jaw mechanisms, is the subject of this lecture and one topic in last week’s lab. The other ...