The word shark usually creates fear, but in reality, sharks have more reasons to be afraid of people 1 people to be afraid of them. The fact is, about one hundred million sharks are killed by humans every year. That’s mainly because people in a lot of countries, 2 Japan and Australia, eat sharks. Sharks also get caught in the huge fishing nets that are used nowadays on factory ships, 3 do many other sea animals. So in general, sharks are not such a danger to humans. They usually eat seals, sea lions and other sea mammals. But as sharks are attracted by movement, 4 they see a person swimming in the sea, they could accidentally attack him or her. 5 at the top of the food chain, however, sharks keep populations of other fish healthy and are essential for keeping our seas alive. This is 6 we must act now as their time seems to be running out.