The majority of information used for this site came from NASA and WWF. For a complete list of sites used, visit the Sources page.
Ecosystems
All About Ecosystems
5.L.2
Understand the interdependence of plants and animals with their ecosystem.
5.L.2.1
Compare the characteristics of several common ecosystems, including estuaries and salt marshes, oceans, lakes and ponds, forests, and grasslands.