AP Environmental Science / Unit 1: The Living World: Ecosystems
1.7 The Hydrologic (Water) Cycle
Notes
Water moves by evaporation, transpiration, condensation, precipitation, infiltration and runoff.
- The ocean is the largest reservoir; most fresh water is in ice caps and glaciers.
- Groundwater is stored in aquifers.
Practice
Water released by plant leaves:
Through stomata.
Most of Earth's fresh water is in:
Locked as ice.
Paving over land increases:
Water can't soak in.
Ready for more? Take the Unit 1 test.