Sharks have always been an important part of Earth. Many cultures - beyond just the Chinese with their famous shark fin soup - consider them to be powerful symbols‚ deities‚ or sacred animals. They help keep the ecosystem in check. This‚ in turn‚ highly benefits the economy. It’s difficult to imagine a world without sharks - considering that sharks have existed for over 400 million years (What If There Were No Sharks?). This makes them approximately three million eight hundred years older than us
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PREPARATION OUTLINE | Title | : | Shark | Order | : | Topical order | General Purpose | : | To inform | Specific Purpose | : | To inform our audience about why sharks attack human‚ type of sharks that usually attack human and precautious steps on how to avoid from being attacked by a shark. | Central Idea | : | Even though the likelihood of you being attack by a shark is low‚ it is still common and that is why it is important to know why sharks attack human‚ the type of sharks that attack human and knowing
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Great white sharks are known as the most dangerous of the shark species because of their sheer size and their quick mind that make them the ultimate predator. A comparison can be seen in Figure 1‚ where the great white shark is seen next to a human‚ this image is showing the sizing difference between the two species. The shark is so captivating that there is an entire week each year dedicated to these creatures to learn more about them and the world they live‚ in an area that is vastly undiscovered
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Sharks play a big role in balancing out marine life. They eat very efficiently they eat old‚ young‚ sick and slow fish. They set the marine life to the right size to fit the ecosystem. Scientist consider sharks as the “keystone” species. If the sharks aren’t there then the ecosystem would collapse. The ecosystem depends on them‚ without sharks the population would be over crowded. If the oceans were of crowded then there would be no room for any sea animal and everything would just collapse. We need
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Sharks by : Maritza Martinez Most people are afraid of sharks and don’t want anything to do with them but there are people that actually know things about sharks and don’t fear them. Sharks much like people come in all different shapes and sizes and can and do live mainly everywhere. What people don’t know is that sharks are much like people they take care of their young by protecting them‚ feeding them‚ teaching them to hunt. They are thought of as
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Does any of you in the class know the themed music for jaws? of course you do‚ we all do. Because sharks are really scary arn’t they? Sadly Films such as this as well as the media have built up this huge reputation of sharks being threatening‚ alarming & Dangerous monsters of the sea. It’s a tragedy! Today I will be arguing for the rights of these misrepresented sharks and how this new "catch and kill policy" is completely wrong. Firstly I’d like to inform you on what the catch and kill policy actually
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on how sharks keep everything in balance. Another example is coral reefs which serve as a home to thousands of fish in the ocean such as the parrot fish. Parrot fish eat coral reefs and if they don’t have a predator to control their population size it could be detrimental to the coral reefs. The parrot fish would become overpopulated and all these fish would eat away the coral reefs. (TEDxYouth). The ocean’s ecosystems would collapse without coral reefs. Many species are at risk of extinction without
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Why sharks are important…. Sharks play a very important role in the ecosystem. Sharks being at the top of the food chain‚ dealing with marine life‚ keep the ecosystem on track. Some of those reasons are that they keep the food webs in balance‚ Tourism‚ and without them there would be a lost in food source for humans. To begin with sharks are essential to the different ways of living because they keep the food web in balance. Sharks will eat old or sick in a population which keeps that population
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Sharks have been the ocean’s apex predators since 200 million years ago. Yet shark populations have been rapidly declining since humans began the worldwide practice of shark finning. This is the process of removing the fins from sharks then throwing the body back into the ocean left to die slowly. Shark fins are popular targets for fishermen because of their high value although the issues caused by this practice are widespread‚ inhumane and damaging to almost every ecosystem. Shark fins have been
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welcome to our speech on the dangers of Shark Cage Diving. This is our second time public speaking‚ so bare with us. My name is Emily and I find that this is an extremely interesting subject. I find this an interest subject since many people tend to underestimate the experience‚ people will see it as though‚ humans are the only ones getting hurt‚ but really‚ sharks are injured and killed due to this sport. The amounts of sharks which die has risen since Shark Cage Diving was introduced. Yes‚ this would
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