By Pauline Pham and Maya Lewins

What is the hydrosphere?

The hydrosphere is all the bodies of water on the earth's surface including water over the earth's surfacing such as clouds. A planet's hydrosphere can be liquid, vapor, or ice (liquid, gas, solid). Water moves through the hydrosphere in the water cycle.

Why is the hydrosphere important?

The hydrosphere is important because it is all the water on the earth's surface, and living organisms need water to survive. Organisms are made up of 75% of water, and it allows the cell to function normally. Without water, life would not exist, because most of the cell's functions deal with water.

Plants and Animal Life

Anything of aquatic species such as dolphins, seaweed, and plankton live in the hydrosphere.
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Depending on Other Spheres

The hydrosphere depends on groundwater, volcanoes, and other living things.