When you think of the arctic, you might picture mostly empty ice, but the Arctic ecosystem is home to many organisms. Much of this life in the arctic depends on tiny organisms called plankton which make up the base of the food web.
Test drive our Bird Finder tool based on our virtual bird aviary of the southwest. A great way to learn about birds in your own backyard. Image of Northern Cardinal above by Robert Shantz.
Sometimes the best way to learn biology is by playing a game or using a simulation. Here you will find our current collection of fun biology games. We hope you enjoy them.
Why is Rudolph's nose red?
by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.