Standard 4: Students will understand that water cycles through and between reservoirs in the hydrosphere and affects the other spheres of the Earth system.

Objective 2: Analyze the physical and biological dynamics of the oceans.
c. Model energy flow in ocean ecosystems.
d. Research and report on changing ocean levels over geologic time, and relate changes in ocean level to changes in the water cycle.
e. Describe how changing sea levels could affect life on Earth.