Scholastic
Scholastic: Ocean Life
Good starting point for researching ocean life. Find general information, research-topic ideas, a glossary of important terms and people, and numerous links to related sites.
Texas Instruments
Texas Instruments: Jason: Pinniped Body Shape Conserving Warmth
From Shore to Sea: To survive in cold ocean environments an organism's body must be adapted to life under water. A body will cool very quickly when in contact with water. The body shape of an organism is one adaptation that helps to...
Discovery Education
Discovery Education: Planet Ocean: The Ocean
This site is a one-page introduction to oceans. It provides a basic overview of Ocean life, size, and benefits.