CORAL REEF

-Definition:colonies of small animals embedded in calcium carbonate shells.
- Coral heads consist of individual animals called polyps, arranged in diverse shapes.
-Polyps are usually tiny, but they can range in size from a pinhead to 12 inches (30 cm) across.

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REPRODUCTION

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FUNCTION

• Create home and shelter for fish.
• Food of many creatures: fish, human...
• Balance the underwater world
• Weaken the strength of the waves comming to the shores
• Used for selling, economic purposes, and environmental services: worth $375 billions each year

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