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Aquatic Ecosystems

7th Grade Life Science

Aquatic Ecosystem Any water environment and the community of organisms that live there.
Freshwater Ecosystem Environments where the water has very little salt in it. Examples includes lakes, ponds, wetlands, rivers, and streams.
Wetland An area of land that is saturated, or soaked, with water for at least part of the year. Examples include bogs, marshes, and swamps.
Estuary A partially enclosed body of water formed where a river flows into a ocean. They contain both fresh and salt water.
Marine Ecosystem The largest of Earth's aquatic ecosystems and are distinguished by waters that have a high salt content.