Sharks are a group of fish characterized by a cartilaginous skeleton‚ five to seven gill slits on the sides of the head‚ andpectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays. However‚ the term "shark" has also been used for extinct members of the subclassElasmobranchii outside the Selachimorpha‚ such as Cladoselache and Xenacanthus. Under this broader definition‚ the earliest known sharks
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as I could. “Calm down Afa.” as Mako went closer to Tupa the more I started growling‚ I knew something sharks did that Mako didn’t‚ or at least I think i did . Mako going for the final attack pointing the spear at the chest slayed Tupa. They dragged the dead shark to shore to show the rest of the islanders.
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example : SOURCE LANGUAGE Baby Sharks Stay Still To Avoid Being Detected By Predators Baby sharks still developing in their egg cases can sense when predators are near‚ and keep very still to avoid being detected‚ according to research published January 9 in the journal PLOS ONE by Ryan Kempster. Adult sharks are known to use highly sensitive receptors to detect electric fields emitted by potential prey. In the current study‚ researchers found that embryos of some shark species employ similar means
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have caused any number of problems that could have cost the old man his life‚ and his town‚ worry. While he was fishing‚ a group of sharks discovered him. The sharks could have taken his arm off while he was trying to fight them off. One final motive for why the old man should have cut the big fish free is that he already possessed a fish. During the fight with the sharks‚ one of them grabbed large chunks of the fish he had in his boat. Something that the old man discovered once he had hooked the bigger
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Sea Hemingway uses symbolism through Santiago‚ the marlin‚ and his nemesis‚ the sharks to contribute to his theme that “A man can be destroyed but not defeated.” Throughout the novel Santiago represents determination‚ bravery‚ patience‚ and the ideal everyman through his actions when dealing with obstacles. During Santiago’s fishing expedition the marlin represents the ultimate goal we must obtain. Lastly‚ the sharks represent our enemies in life and that no matter‚ what we cannot let them break
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Chondrichthyes were my motivation to get involved and stick with Marine Biology no matter the challenges. Growing up I found comfort in sharks. Due to media and lack of understanding sharks were viewed only as malevolent killing machines. I thought this false‚ constraining label was unjust and unwarranted. Just as sharks had a constraining label I was stereotyped to be at best average when it came to academics. I had a minor learning disability that made reading and writing a major obstacle. After
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aquarium is identical to a regular zoo and holds fish instead of land animals. However‚ an aquarium typically contains more than just fish it contains multiple marine organisms. Specifically‚ an aquarium contains marine mammals‚ jellyfish‚ corals‚ and sharks including a number of other marine organisms. There is something interesting for a first time visitor to the aquarium which is most of the marine organisms live in communities. What are communities? A community‚ as Tom Garrison a scientist defines
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foods. Adults and juvenile predatory fish are separated so the juvenile fish don’t intrude which allows juveniles to survive to the adult stage. Not all adults feed at a high trophic level. Whale sharks (50 ft) are the largest fish and feed on plankton and small fish‚ while Great White sharks (20 ft) are the largest carnivorous fish and feed on sea lions‚ seals and large fish. Blue whales (100 ft) are the largest whale and feed primarily on plankton and krill‚ while the Sperm whale (45 ft) is
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artery‚ and anterior and posterior ulnar artery. 10) Throwing a baseball‚ moving his fingers‚ writing. 11) Jim’s nerves in the arm are damaged. 12) Hello Mr. and Mrs. Jim’s parents. We have completed surgery on your son’s arm. Fortunately‚ the shark bite was clean which made repair a lot easier and more effective. Most of the bones‚ muscle‚ and veins in his arm have been reattached and are functioning well. The nerves in his arm couldn’t be completely restored so it is unlikely that he will have
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awhile. Then they were stowaways on the USS Indianapolis. Then that’s where the story mostly takes place. They get attacked and then they are in the water. They are in the water for a long time. It says for almost a week or more. They get attacked by sharks and other things. Then when they are rescued it takes place on the USS Arizona. The book
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