Evidence on Prehistoric Sharks
explanatory Essay
1220 words
Evidence on Prehistoric Sharks One of the previous papers in English class required the class to pick a paper to explore, this question will be concentrated on further in the synthesis essay. What evidence do scientist have to prove that prehistoric sharks existed? The reason behind picking this question wasn’t just to find proof that these monsters swam the seas, but to learn more about them from different resources. One of the resources that were used was a chapter in Angelo Mojetta’s book Sharks, called “ The Birth Of A Legend”. The other resource that was used for information was an article in Discovery Channels website called “ Prehistoric Sharks”. Sharks and Discovery Channel are the two resources that led to many other questions about their different, and similar views on prehistoric sharks existence. Mojetta wrote about prehistoric sharks, and the history of these creatures. According to Angelo Mojetta, author of Sharks, Cladoselache genus, one of the first prehistoric sharks, was buried in sediment that kept it preserved. Unlike other sharks, Cladoselache genus had a circle of tiny plates around it’s eyes for protection against it’s victim’s attempts to fight back. These sharks lived over 400 million years ago. Sharks of the past could mostly be identified by their teeth, because shark’s bodies are made of cartilage. Another shark that was focused on was called, Stethacanthus. This shark had a very unique look. Stethacanthus had a brush like decoration on the top of it’s head, and an extra fin like part that had the same bristle like decorations on it. These characteristics were thought to be used as suction cups, to hitch rides from larger fish. One of the most famous sharks that looks like an over... ... middle of paper ... ...lodon and Dunkleosteus, it left you wanting more. Mojetta and Discovery Channel makes people want to know more about the prehistoric sharks that swam the dark seas. Mojetta and Discovery Channel had a lot of strong data on prehistoric sharks. The information that was presented in their text gives people knowledge of prehistoric sharks characteristics, time frame they lived in and the remains of these creatures. These bits of information might raise more questions for people about evolution. There have been many different species of prehistoric sharks discovered throughout the years. Work Cited Works Cited Mojetta, Angelo. White Star Guides Underwater World. Vercelli, Italy: White Star, 1997. Print. “ Prehistoric Sharks: Discovery Channel.”dsc.discovery.com. N.p., n.d. Web. 4 Aug 2010
In this essay, the author
- Explains that discovery channel has facts about prehistoric shark fossils, and how extremely unique looking these fish were.
- Explains that mojetta and discovery channel's findings on the existence of prehistoric sharks are very similar.
- Opines that discovery channel's imaginative duel between megalodon and dunkleosteus made people want to know more about prehistoric sharks.
- Explains that discovery channel has facts about prehistoric shark fossils, and how extremely unique looking these fish were.
- Explains that mojetta and discovery channel's findings on the existence of prehistoric sharks are very similar.
- Opines that discovery channel's imaginative duel between megalodon and dunkleosteus made people want to know more about prehistoric sharks.
- Explains that mojetta and discovery channel had a lot of strong data on prehistoric sharks. the information that was presented in their text gives people knowledge of the characteristics, time frame they lived in, and the remains of these creatures.
- Explains that angelo mojetta's book, sharks, and discovery channel have different views on prehistoric sharks existence.
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- Explains that great whites are important, though not common, predators in the marine ecosystems of the california coast. the change is due to television and films documenting not only the glories of sharks but also the dangers to them.
- Explains klimley, anderson, s.d., henderson, r.p, and pyle. great white sharks: the biology of carcharodon carcharias.
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- Explains that sharks have complex body parts, such as gills, lateral lines, and electro-receptive organs.
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In this essay, the author
- Explains the origin of modern day whales, a mystery that puzzled paleontologists for years, may have just been solved with the discovery of an ankle bone.
- Explains that dr. philip d. gingerich and his associates discovered two primitive whale fossils in the balochistan province of pakistan.
- Explains that gingerich's discovery is unique in that they are the only fossils to contain both bones from a whale skull and sheep-like ankle bones in the same skeleton.
- Explains the origin of modern day whales, a mystery that puzzled paleontologists for years, may have just been solved with the discovery of an ankle bone.
- Explains that dr. philip d. gingerich and his associates discovered two primitive whale fossils in the balochistan province of pakistan.
- Explains that gingerich's discovery is unique in that they are the only fossils to contain both bones from a whale skull and sheep-like ankle bones in the same skeleton.
- Explains that the bones of rodhocetus are very telling of its behavior. the second and fourth fingers (or "digits") were short and wide.
- Explains that rodhocetus' tarsal foot bones suggest that the animal did not spend as much time on land as it did in the water.
- Explains that gingerich believes that cetaceans evolved from artiodactyls. kenneth rose remains skeptical of simple evolution.
- Explains how gingerich's discoveries have proven to be extremely helpful to the paleontological community. the initial discovery of an ankle bone led to two well-preserved fossils that shared insight to behaviors and physical appearances of ancient animals.
1101 wordsRead More - Importance of Sharksanalytical essayThesis: Sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences the behavior of sharks.
In this essay, the author
- Argues that sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences shark behavior.
- Opines that strict enforcement of the shark feeding law is a must to limit shark attacks.
- Argues that sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences shark behavior.
- Argues that sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences shark behavior.
- Opines that strict enforcement of the shark feeding law is a must to limit shark attacks.
- Argues that sharks should be conserved because they are an important part of the ocean, attacks are often incidental, and human behavior influences shark behavior.
- Opines that strict enforcement of the shark feeding law is a must to limit shark attacks.
482 wordsRead More