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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The goblin shark (Mitsukurina owstoni) is a rare‚ poorly understood species of deep-sea shark. Another name for this species is elfin shark.[1] Sometimes called a "living fossil‚" it is the only extant representative of the family Mitsukurinidae‚ a lineage some 125 million years old. This species looks unlike any other shark‚ with a long flattened snout‚ highly protrusible jaws containing prominent nail-like teeth‚ and pink coloration. It is usually between three and four meters (10–13 ft) long when
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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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3. A. Are sharks members of the group Chordata? B. Why? 4. Describe the distinguishing characteristics of Chondrichthyes. a. Skeleton: b. Scales: c. Ear: d. Organ used for fertilization: e. Fertilization type: f. Organ used for buoyancy: 5. What animals belong to the group Chondrichthyes? 6. What does gnathostome mean? Sharks 7. A. What does it mean to say that sharks have fusiform
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Contrary to popular belief‚ sharks do not commonly attack humans‚ but humans commonly attack sharks. People all around the world remove shark fins and leave the shark to die. This not only damages shark populations‚ but it also damages the economy and deprives many of much needed food. There are laws in place to regulate shark finning‚ but unfortunately‚ not everyone abides by the law. Some may argue that killing “vicious” animals is not something to be thought about twice‚ but shark finning is an inhumane
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Whales have been swimming in the Earth’s oceans for 20 million years; their haunting songs can travel underwater for thousands of miles‚ they are the largest animals to exist on Earth yet they survive on some of the smallest organisms. A whale’s heart can weigh up to 1‚300 pounds‚ and a baby whale can drink up to 130 gallons of its mother’s milk each day (Whale and Dolphin Conservation Society‚ 2010). Currently whale hunters claim that they are killing whales for scientific purposes; however‚ whale
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Bull Shark: Osmoregulator Predator Scott Marshall English Composition: EN-101-15 Professor Craig Cushing April 19‚ 2010 Outline Thesis Sentence: Carcharhinus leucas also known as Bull Shark are unlike other sharks as they can tolerate fresh water and can travel far upstream in rivers. I. Introduction A. Definition of Carcharhinus leucas‚ its class‚ subclass and physiology B. Eytmology. II. Common Names III. Habitat IV. Eating habits V. Adaptability; osmoregulation
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Kyle Cosentino Managing Coastal Ecosystems 8/31/10 The Freshwater Shark: Bull Sharks and Their Movement between Fresh and Saline Environments Carcharhinus Leucas or bull sharks are the only species of sharks that are able to travel long distances and spend extended periods of time in freshwater environments. Although many people disagree‚ I believe that one of the bull sharks’ main reason for entering freshwater is to find breeding grounds. There is evidence that supports this theory‚ and it
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I suggest you continue reading. Sharks are fascinating creatures. All of them are unique in their own way. First‚ I am going to talk about the famous one of them all; the great white shark. The great white‚ is on top of the food chain and has few threats in
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The Evolution of Whales “Their tongues alone can weigh as much as an elephant and their hearts as much as a car.” The animal called whales what are the largest‚ intelligent and aquatic mammals. However‚ whales were not the aquatic animals at the beginning. After thousands of years of evolution‚ since changes in the terrestrial environment and the demand for food‚ the whales become appearance like a graceful arc from the four limbs. We have to imagine that what happened in the past thousand years
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