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2. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

3. Coral reef - Wikipedia

   en.wikipedia.org/wiki/Coral_reef

   Coral heads consist of accumulations of individual animals called polyps, arranged in diverse shapes. [73] Polyps are usually tiny, but they can range in size from a pinhead to 12 inches (30 cm) across. Reef-building or hermatypic corals live only in the photic zone (above 70 m), the depth to which sufficient sunlight penetrates the water. [74]

4. Euphylliidae - Wikipedia

   en.wikipedia.org/wiki/Euphylliidae

   The eggs and sperm join to form free-floating, or planktonic, larvae called planulae. Large numbers of planulae are produced to compensate for the many hazards, such as predators, that they encounter as they are carried by water currents. The time between planulae formation and settlement is a period of exceptionally high mortality among corals ...

5. Coral - Wikipedia

   en.wikipedia.org/wiki/Coral

   The classification of corals has been discussed for millennia, owing to having similarities to both plants and animals. Aristotle's pupil Theophrastus described the red coral, korallion, in his book on stones, implying it was a mineral, but he described it as a deep-sea plant in his Enquiries on Plants, where he also mentions large stony plants that reveal bright flowers when under water in ...

6. The world's coral reefs are bleaching. What does that mean? - AOL

   www.aol.com/news/worlds-coral-reefs-bleaching...

   Corals are invertebrates that live in colonies. Their calcium carbonate secretions form hard and protective scaffolding that serves as a home to many colourful species of single-celled algae.

7. Pavona decussata - Wikipedia

   en.wikipedia.org/wiki/Pavona_decussata

   Pavona decussata, sometimes known as leaf coral, is a species of colonial stony coral in the family Agariciidae. It is found in shallow water in various reef habitats, particularly on gently sloping surfaces, in tropical parts of the western and central Indo-Pacific region.