1. Aquatic Ecosystems

2. Ecosystems Freshwater Marine Wetlands Flowing water Standing water
Freshwater Wetlands
Marine
Intertidal zone
Coastal Ocean (Neritic Zone)
Coral Reefs
Open Ocean Zone
Benthic Zone
Wetlands
Salt marshes
Mangrove swamps
Estuaries

3. Freshwater: Flowing Water
Examples: Rivers, streams, brooks, creeks
Basic Biology: Aquatic Green Plants, fishes, turtles, beaver, otters

4. Freshwater: Standing Water
Examples: Lakes, ponds
Basic Biology: Plankton, algae, fishes, frogs, turtles, birds

5. Freshwater Wetlands
Examples: aquatic habitats including swamps, marshes, bogs, prairie potholes
Basic Biology: pond lilies, tamarack, and black spruce, amphibians, reptiles, birds (such as ducks and waders)

6. Wetlands: Estuaries Description: freshwater source meets ocean
Basic Biology: algae, bacteria, oysters, shrimp, crabs, spawning ground for fish

7. Wetlands: Salt Marshes
Description: Flat, muddy or grassy areas along coasts
Basic Biology: salt-tolerant grasses, sea grasses, birds

8. Wetlands: Mangrove Swamps
Description: wetland occurring only in warm climates
Basic Biology: salt-tolerant woody plants, shellfish, birds, fish, reptiles

9. Marine Zones
Neritic
Open ocean zone
Intertidal
Benthic

10. Marine: Intertidal
Description: Coast, area between high tide and low tide marks
Basic Biology: Barnacles, seaweed, snails, urchins, sea stars

11. Marine: Costal Ocean (Neretic)
Description: low tide mark to edge of continental shelf
Basic Biology: Rich in plankton, coral, kelp, sea otters, seals

12. Marine: Coral Reef Description: found around the globe in warm waters
Basic Biology: Fish, coral, algae, jellyfish, shark, turtles

13. Marine: Open Ocean Description: edge of continental shelf outwards
Basic Biology: Fishes, Dolphins, Whales

14. Marine: Benthic Description: ocean floor
Basic Biology: clams, sea cucumbers, chemosynthetic producers