AP Environmental Science / Unit 1: The Living World: Ecosystems
1.3 Aquatic Biomes
Notes
Aquatic biomes depend on salinity, depth, temperature, flow and light.
- Freshwater: rivers, lakes, wetlands.
- Marine: oceans, coral reefs, estuaries (fresh meets salt), salt marshes, mangroves.
- Wetlands filter pollutants and absorb floodwater.
Practice
Where a river meets the ocean is a(n):
Mixed fresh and salt water.
Wetlands provide which service?
Natural sponges and filters.
Coral reefs need:
Symbiotic algae need light.
Ready for more? Take the Unit 1 test.