Aristotle was a Greek philosopher, a student of Plato and teacher of Alexander the Great. He wrote on many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, politics, government, ethics, biology and zoology.

Learn the parts of an egg and then take the quiz to test your knowledge.

The Smithsonian National Zoo provides a picture of a Kori Bustard, with informaiton about their habitat and behaviors.

Labeled diagram of a several common rodents.

Labeled diagram of the morphology of a horse.

Labeled diagram of the morphology, or structure, of a bat.

This tutorial goes into great detail describing the embryological development of amphibians. Written explanations, photos and quicktime movies are all included.

In this science fair project, the student will make a wind tunnel to test how the formation of birds in flight affects flight efficiency. Make the bird models out of Legos and have fun with this project. The Science Buddies project ideas...

Can you affect the behavior of moths by using different colored lights to attract them? This extensive science fair project from Science Buddies gives lots of suggestions on how to set up an experiment and variations of that experiment...

In this science fair project, use Google Earth to determine if large mammals align themselves in respect to the earth's magnetic field. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...

Nematodes, also called roundworms, are the most abundant animal on Earth and can be found in your back yard, playgrounds, and many other places. This lab involves isolating nematodes from several soil samples to discover the best...

In this science fair project, grow the acellular slime mold Physarum polycephalum and test its ability to find the shortest path through a maze.

Learn about Taiwan's amazing wealth of butterflies, many of which can be found nowhere else in the world. See how butterflies have influenced Taiwanese culture, how some people have made a business from butterflies, and about efforts...

A great Science Fair project that involves analyzing your cat's behavior and designing toys that will be stimulating both physically and mentally. The Science Buddies project ideas are set up consistently beginning with an abstract,...

Learn how to create a scientific illustration of a monarch butterfly in a few easy steps.

Ever wonder why bats live in caves? Or why bats don't fly into objects at night? This article describe why bats thrive in the protected shelter a cave provides. It also explains how bats use echolocation to locate food and avoid obstacles.

Have you ever wondered how spiders avoid getting stuck in their own webs? Check out this excellent explanation.

Students explore the different ways mammals move by observing them walk, hop, gallop, swim and swing in animations. Facts about habitat and structure are also included in these animations.

This amphibian embryology tutorial takes an in depth look at the question "Why study amphibians?". Through this tutorial students will develop a better understanding of vertebrate development.

This is an extremely in depth look at the various different joints and their range of motion. Labeled diagrams are provided for each type. Illustrated quizes and x-rays can be accessed for each joint classification.

Not only does this comprehensive site present a wealth of factual information on the Arctic fox but also delves into exploitation of this animal in North America, Russia, Iceland, and Greenland.

Click on the country name to travel to the Bahamas, Madagascar, and Australia to see what scientists are learning about different species, what roles they play in their ecosystems, and how we can best protect them. Click on the starred...

Detailed description of the thoroughbred, a racing horse originally from England.

Detailed illustrations and description of the quarter horse, known for its speed over short distances. Choose quarter horse from the list on the right.