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3
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a natural habitat where plants and animals thrive
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6
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a coral reef is a massive collection of this sea animal
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7
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swimming with a facemask to help see under water, and fins to help swim
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8
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means a variety of life forms
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9
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a process of converting sunlight into energy for growth
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11
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outside skeleton
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12
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a mineral that makes up a coral polyp's exoskeleton
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13
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coral reefs are very sensitive to this, caused by not being kind to our earth
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1
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this is how a coral reef feels when you touch it
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2
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a natural or manmade barrier in the ocean that separates the open sea from the shoreline
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4
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a scientist who studies plants and animals that live in the oceans
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5
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another word for 'ecosystem'
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10
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because coral reefs depend on sunlight to grow, they thrive in ____________ water
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14
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this living thing can cause a coral reef (and everything that lives on or in it) to die
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