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Sharks have evolved in a tight inter-dependency with their ecosystem. They tend to eat very efficiently, going after the old, sick, or slower fish in a population, keeping that population healthy. Sharks groom many populations of marine life to the right size so that those prey species don?t cause harm to the ecosystem by becoming too populous. The ocean ecosystem is made up of very intricate food webs. For the most part, sharks are at the top of these webs and are considered by scientists to be ?keystone? species, meaning that removing them may cause the whole structure to collapse. For this reason, the prospect of a food chain minus its apex predators may mean the end of the line for many more species. Scientific studies demonstrate that depletion of sharks results in the loss of commercially important fish and shellfish species down the food chain, including key fisheries such as tuna and other important fish species that maintain the health of coral reefs.Much better presentation, don't you think ? Learn to communicate and people will listen. Support, if you can, the protection of our oceans. Eat a cow: cows don't swim!
Classic example of playing with statistics. They don't tell you how many of the 73 million killed were great whites. Nor do they say how many total deaths result from shark attacks of all types. Kind of apples and oranges.