This investigation will help you to:
Oceans Alive!, Museum of Science
Learn all about the Earth's oceans.
The Real Time Ocean Environment, Naval Research Laboratory Stennis Space Center
Oceanic real time data from Earth orbiting satellites.
Adaptations for Survival in the Sea, Oceanographic Research Group
Learn more about a film on marine life adaptations.
It's Not Going to Win Any Beauty Contests But. . . , Marine Biological Laboratory
The fish that puts the "ugh" in ugly is increasingly popular with biologists. Some animals will make any adaptation to survive. While this article does covers more than just marine animal adaptations, it also mentions the development and importance of a swim bladder for fish.
How Fish Swim, Florida Museum of Natural History
Discusses how body shape and fins allow fish to swim.
Predators and Prey - The Living Sea, Oceans Alive!
This article gives a bit more details about marine food chains as well as a suggestion for an additional activity.
Learn more about how fisheries prevent humans for depleting the population into extinction.
Marine Food Chains, Department of Oceanography, Texas A & M University
This site looks at the very lowest levels of the food chain and discusses how climate and man can change the oceanic food chain.