Science Struck
Science Struck: Interesting Facts About the Abyssal Zone
The Abyssal Zone lies deep in the ocean in the pelagic layer between 4,000 to 6,000 m or 13,000 to 19,500 ft. Learn about some of the unique life forms that call this zone their home, how they have adapted to the extreme pressure and...
CK-12 Foundation
Ck 12: Earth Science: Ocean Ecosystems Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about ocean ecosystems. Includes a few questions to check for understanding.