From an organization that cares about wolves find: Types of Wolves, Biology and Behavior, and information on wolves and humans. Under Biology and Behavior, be sure to click on Virtual Wolf, an interactive wolf skeleton.

[Free Registration/Login may be required to access all resource tools.] Covers standard scientific units of measurement.

This site has information on how facilitated diffusion of ions takes place through proteins, or assemblies of proteins, embedded in the plasma membrane. Includes a helpful diagram.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. Here he discusses theories for species change that were before Darwin published "On the Origin of Species."

How do birds know what direction to fly when they fly south for the winter? This tutorial explains circadian rhythm using an experiment performed with pigeons.

The female reproductive system is discussed on this site from The Merck Manual. Click the links at the top of the page for in-depth information about the structure and function of the external and internal genital organs.

[Free Registration/Login may be required to access all resource tools.] Students will learn how to use standard scientific units of measurement (SI units) in biology.

What do you know about the respiratory system? This site gives a detailed description of this integral human body system. Don't miss out.

Outline Canada's commitment to the non-proliferation, disarmament and elimination of nuclear weapons and the initiatives Canada is involved in to achieve this important global goal.

[Free Registration/Login may be required to access all resource tools.] The kidneys are important organs in maintaining homeostasis, the ability of the body to maintain a stable internal environment despite a changing environment....

[Free Registration/Login may be required to access all resource tools.] When you walk outside on a cool day, does your body temperature drop? No, your body temperature stays stable at around 98.6 degrees Fahrenheit. Even when the...

[Free Registration/Login may be required to access all resource tools.] How important is your skeleton? Can you imagine your body without it? You would be a wobbly pile of muscle and internal organs, and you would not be able to move....

Are you interested in exploring a career? The occupational career exploration links allow you you to select a professional area and display potential job paths within that field.

This is a ten-question quiz concerning motivations and attitudes.

Great site that provides all types of information on fish ranging from fish ecology to funky fish. Entails links to sites on fish evolution and morphology.