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coralseas - Trevor Nestor Period 1 Coral Seas Video Write...

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Trevor Nestor Period 1 Coral Seas Video Write Up The documentary on the coral reef “Coral Seas” shows in vivid detail the complex relationships that exist between species in an ecosystem. It is clear that thousands of years of natural selection have created highly specialized organisms with distinct niches. For example, the corals “mate” only during specific times, and the corals have developed close synchronization for this to occur. Each organism has developed ingenious tactics for survival. One such tactic is to eliminate competition; even among those of the same species. Coral, for example, attack one another by expelling their digestive organs when they come in too close proximity. Parrotfish have developed hard beaks to enable them to eat rock whole to more easily eat algae growing on them. Parrotfish have contributed to the erosion of coral reefs and the creation of sand that fills tropical beaches. The Parrotfish have developed this tactic through evolution, much like Darwin’s finches. Although many organisms among
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