This website introduces background knowledge of phylogenetic trees, and then provide a guideline for tree construction. Then, by following the guideline, it gives an example of tree construction. This website further demonstrates how to use phylogenetic trees. Description from the website: In this tutorial, we'll cover: 1. How to read an evolutionary tree 2. How to classify organisms based on evolutionary trees 3. How to reconstruct an evolutionary tree 4. How evolutionary trees are used