Emma Hartswick. Adaptations in coral reefs. http://www.gefcoral.org/Portals/25/targeted_research/Jord%C3%A1n-Garza%20Photo%201.%20Counting%20corals_web5.jpg. What are coral reefs?. Coral reefs form because of polyps, which are soft bodied organisms related to anemone and jellyfish
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Coral gets its varied colors by hosting species of algae called zooanthellae
There are many types of adaptations that aid organisms in survival, but those most common in reefs are
Symbiosis is a relationship between two species in which one or both of the species benefits
All anemonefish born are male, and only switch to become the group’s dominant female (which the largest males will mate with)
Adult clams are simultaneous hermaphrodites. Born females and mature to into hermaphrodites
Sea cucumbers are related to sea urchins and star fish and live at the bottom of reefs or on the ocean floor in the sand
When threatened, sea cucumber release sticky threads that trap their predators
Aside from being a prickly lunch, porcupinefish have high levels of poison in their reproductive tissues and livers
Porcupinefish also have special beak-like mouths that are well suited to crushing the crunchy critters that they eatOther Porcupinefish Defenses
Some organisms have evolved special hunting techniques that allow them to more efficiently obtain food in the competitive reef environment
Isolated proteins in venom have painkilling effects for humans more potent and less harmful than morphine.
Intricate shell design prized by collectors.
“tooth” can reach any part of shell, making it unsafe to pick up.
To feed, they climb onto coral and release digestive enzymes from stomach that liquefy and absorb its tissues