Scholastic
Scholastic: Study Jams! Science: Ecosystems: Aquatic Ecosystems
A video and a short multiple-choice quiz on the topic of aquatic ecosystems. It discusses the difference between freshwater and saltwater ecosystems, then explains what the three ecozones are in a marine ecosystem.
Georgia Department of Education
Ga Virtual Learning: Coastal Ecosystems
Students are introduced to the various marine environments, their unique formations, origin and identifying characteristics.