1 Topic : 5 Facts How well do you know the ocean?
This regular feature will help acquaint you with our blue planet.
Topic: Coral
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Coral are invertebrate animals related to jellyfish and sea
anemones. Each polyp, or individual animal, has tentacles equipped with nematocysts, tiny-stinging cells. -
Corals are generally colonial animals, although there are some solitary species.
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Hard corals that contribute to the structure of a coral reef are known as hermatypic corals.
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Corals that are solitary or do not contribute to reef building are known as ahermatypic corals.
- Corals get their color from their symbiotic zooxanthellae. Without the zooxanthellae coral would appear white like their calcium carbonate exoskeleton as the polyps are clear.
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