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11.21: Ocean Ecosystems

Difficulty Level: Basic Created by: CK-12
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Vocabulary

hydrothermal vent

Stream of heated water that enters into the ocean at a mid-ocean ridge.

intertidal

Zone at the shoreline that is below water at high tide and above water at low tide.

reef

Large underwater structure created from the calcium carbonate skeletons of coral.

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Difficulty Level:
Basic
Grades:
6 , 7
Date Created:
Jan 04, 2013
Last Modified:
Aug 29, 2016
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SCI.ESC.830.L.2