A Swimming Snail
Sea butterflies (also called pteropods) are sea snails aptly named: they are...
Scientists believe orange roughy (Hoplostethus atlanticus) live longer than 150...
How Diverse is That?
Students discuss the meaning of biological diversity. Students will compare and...
Tue, 12/01/2009 - 12:02
Citizens of the Sea
The incredible variety of marine life—in numbers, body form, behavior, and...