
The Architects of the Reef: Understanding Coral Structure
Dive into the Red Sea's vibrant reefs and discover that those colorful "sea flowers" aren't plants or rocks - they're colonies of tiny, sessile animals called coral polyps. Each polyp is a soft, sac-like builder with a central mouth on its oral disc, surrounded by stinging tentacles armed with harpoon-like nematocysts to snag plankton and fend off foes. Layered with protective epidermis, nutrient-absorbing gastrodermis, and a jelly-like mesoglea, these polyps secrete calcium carbonate skeletons, forming the foundation of reefs teeming with over 265 unique hard coral species.
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