An introduction to
how life is related

There are five folders to explore during this tour.

Each folder cover is labeled with the main ideas for the section.

Click on the folder tabs to review folders you have already opened.

Click on the folder icon to go back to the beginning of the folder you're working in.

Click on the T. rex button to go to the home page.

Click on any of the underlined, purple words to see a definition.

Let's open the first folder!