American Museum of Natural History
American Museum of Natural History: O Logy: Journey to Deep Sea Vents
Take a submersible down to the seafloor. As you descend, passing through the ocean's sunlight, twilight, and midnight zones, you can observe how temperature, pressure, and light levels change. When your submersible reaches the seafloor,...
Missouri Botanical Garden
Missouri Botanical Garden: Temperate Oceans Light Zones
Discover the three zones in the ocean which are determined by the amount of light received from the sun. Pictures illustrate the three zones and there is a listing of the animals that live in each zone.