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Ice Age Extinctions Of The Megafauna
1,675 wordsICE AGE EXTINCTIONS OF THE MEGAFAUNA During the last Ice Age before humans arrived, the North American continent belonged to various forms of enormous, fantastic creatures. By the end of the Ice Age, most of these large animals had become extinct. Numerous attempts have been made to explain the disappearance of these animals, but there has yet to be a consensus. Among the theories that have been debated, two are predominant. They are the climatic change theory, and the overkill theory. The clima...
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Adipose Tissue Body Temperature
1,704 words... y requirements of its growing brain continues to devote roughly 70 % of its growth potential to increasing this fat deposit, reaching peak adiposity of around 25 % of its body mass by the age of nine months. These facts would not be predicted. either as part of the inheritance from early arboreal ancestors nor as adaptations to a life on the plains of Africa. One suggested explanation stressed the need of storing energy against possible food shortages, as in hibernating mammals. But the fat ...
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Economic Growth Cd Rom
1,929 wordsI feel I am a good listener and a good observer (Bingham 1999). My Structure of Intellect (SOI) reveals that I am a good at visualizing and identifying work in all types (Meeker 1999). The Career Information System (CIS) said that I should be good at notation and would be good with any type of Science work that has to do with taking notes, and also says that I would make a good Geologist. I would like to become a Paleontologist. I am interested in paleontology because I like studying the history...
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Million Years Ago Five Hundred
1,312 wordsOn Saturday 12 th 2000, my family and I went on a float trip on the Huzzah River in Steelville, Missouri. The Huzzah River and its surroundings were a perfect location for me to look for my fossil. Since the water level was shallow, that enabled me to look to the river bottom. Almost immediately after I began my search near the edge of the river, I spotted a rock that appeared to have some sort of shell embedded in it. I decided this would be a good specimen for me to try to examine and identify...
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Marine Life Research Projects
440 wordsThe Pacific Whale Foundation (PWF) is a unique environmental organization. It just doesnt talk about whales and dolphins, it actually studies and protects them first-hand. Their research efforts helped create marine sanctuaries in Australia, New Zealand, and the United States; save dolphins from deadly fishing practices in South America; and establish whale watching as a replacement for whale killing. The PWF currently does research projects in Hawaii and Australia that involve educating the pub...
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Polar Bears Body Temperature
1,467 wordsFirst of all we need to understand what ectothermic and endothermic animals are. Animals differ in their abilities to regulate body temperature (thermo regulation). We sometimes use the terms "cold-blooded" or "warm-blooded. " Most reptiles feel cold to the touch, while mammals and birds often feel warm. Somewhat more precise descriptions can be made by using the terms poikilothermic and homoiothermic. The body temperature of poikilotherm is relatively variable, while that of homeotherm's is rel...
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The Issue Of Human Cloning
1,635 wordsHuman cloning is a big issue in the science world. When people think of human cloning they think of the positive aspects of the issue. Having a cloned superstar around, being able to have a person reborn after a tragic death and even as far as using a cloned person for spare parts. Cloning could affect the human race. Although there are good reasons why cloning should remain legal, there are just as many reasons why this procedure could have negative affects. Health risks can be very serious whe...
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Gray Fox Coyote Pacific Slope Flycatcher Species
683 wordsThis work describes the plant community, wildlife habitats, and special-status species that occur within the Toro Canyon area, including the potential for loss of sensitive (endangered, threatened, rare, or otherwise protected) plant communities and wildlife habitats. The Toro Canyon is located between the San Inez Mountains and the Santa Barbara Channel, California, The USA. Toro Canyon begins at the San Inez Mountains and extends approximately 5, 750 acres to the to the Pacific Ocean. Native v...
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Taking Into Account Lava Flows
1,159 wordsWhat event occurred at the division between the Triassic and Jurassic periods, and why was this important to the dinosaurs? The extinction is a topic that now requires rather more digging than talking. The Triassic and Jurassic periods were remarked by changes that influenced both: relief and biologic forms of life. The dinosaurs were the most typical representatives of fauna for the Triassic and Jurassic periods. These periods are characterized by tectonic activity, worsening of climate conditi...
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Millions Of Years Sperm Whale
1,110 wordsWhales, dolphins and porpoises make up the classification order Cetacea, which contains two suborders, Mysticeti and Odontoceti. The baleen whales are members of the Mysticeti suborder, while the toothed whales, dolphins and porpoises make up the suborder Odontoceti. Altogether, the two suborders contain eighty-one known species, separated into thirteen different families. In each family are a number of species, each classified further into sub-families, or genera, of which there are 40. What Ar...
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Aspects Of Human Fertilized Egg
1,355 wordsThe issue of Cloning Cloning The issue of cloning has always been around in our everyday lives. Cloning was common in movies such a as Jurassic Park and The Lost World, where cloning seemed to be an idea of fantasy and not reality. The idea that scientist could just take a little DNA from a dead mosquito and turn it into something that could tower over a skyscraper was very intriguing to most people. On the other hand, there were movies such as Alien Resurrection, in which cloning was necessary ...
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Rapid Eye Movement Long Term Memory
1,812 wordsSomeone once said, Throw your dreams into space like a kite, and you do not know what it will bring back, a new life, a new friend, a new love, a new country (Nin, The Diaries of Anais). Dreams are the result of subconscious thoughts and desires. The other theory to dreams are random noises in the neurons of the brain without special meaning. Dreams are the mental activity that takes place during sleep. Usually during REM sleep is when dreams occur (Oxford University). Normally everyone dreams s...
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Carbon Dioxide Uric Acid
925 wordsAim: Exretory System Excretory System Aim: To examine and understand the structure, function and differences between different types of excretory systems. The difference between excretion and egestion is that whereas excretion is the process of removing toxic waste by-products of the body s metabolism, egestion is the removal of indigestible remains / substances through the alimentary canal. Through egestion, substances that were not able to be used in the body are removed, and through excretion...
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Grizzly Bears Grizzly Bear Long
611 wordsExtra Credit Paper 3 / 5 / 99 Grizzly Bears The grizzly bear or great bear is the largest predator in the contiguous 48 states. When you enter the bears territory, you are in his home and he is king. This is their domain. The North American grizzly bear is a large, powerful brown bear characterized by gray-streaked, or grizzled, fur. Grizzlies range from 6 to 8 feet long, stand approximately 3 1 / 2 to 4 feet at the humped shoulder, and weigh up to 800 pounds. The grizzly bear is characterized a...
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Pulmonary Artery Vena Cava
1,945 wordsHeartthe human heart is a specialized, four-chambered muscle that maintains BLOOD flow in the CIRCULATORYSYSTEM. Located in the thorax, it lies left of the bodys midline, above and in contact with the diaphragm. It is situated immediately behind the breastbone, or sternum, and between the lungs, with its apex tilted to the body cavity's left side. In most people the apex can be felt during each heart contraction. At rest, the heart pumps about 59 cc (2 oz) of blood per beat and 5 l (5 qt) per mi...
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Endocrine Glands Amino Acids
1,069 wordsHormones are organicHormi? one Introduction Hormones are organic substances that are secreted by plants and animals and that function in the regulation of physiological activities and in maintaining homeostasis. They carry out their functions by evoking responses from specific organs or tissues that are adapted to react to minute quantities of them. The classical view of hormones is that they are transmitted to their targets in the bloodstream after discharge from the glands that secrete them. T...
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Abdominal Pain Six Weeks
981 wordsEver wonder what kind of parasites are in your water, or how they can enter in to your body to make you very sick? Well it is most definite that no on want to get sick. The information found in this paper was collected over the past month, either by going to the library or by accessing information off the Internet at home, almost every night. The point that will be given to you is a little in information about the infectious disease called Schistosomiasis. The points the main points will be the ...
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Meat Eating Lower Jaw
387 wordsMarsupials are pouched mammals. Their young are born in an immature state after a relatively short developmental period in the mothers uterus. (This is called the gestation period. ) The newborn marsupial crawls into a pouch or onto a pouch-like area on the mothers abdomen. Here it attaches itself to one of her nipples and remains until it is well formed and has grown much larger. There are some 250 kinds of living marsupials. These include the Australian and New Guinean insectivorous and carniv...
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Violent Conflict North America
1,068 wordsThe Eternal Struggle Aggression. Bloodshed. Pain. Death. These are just some of the unfortunate side affects which accompany the phenomenon of life. These factors are also intertwined with the methodical process of evolution, which, although often cruel and merciless, is nonetheless beneficial to any species of animal, including, and perhaps especially, humans. Without violent conflict causing the death of the weak and survival of the strong, it is highly unlikely that we, Homo Sapiens Sapiens, ...
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000 Years Ago Ice Crystals
1,799 wordsWoolly Mammoths Remains: Catastrophic Origins? By Sue Bishop Since Ted Holden has repeatedly insisted that the mammoth whose remains were found in Siberia in 1901 was preserved by some great catastrophe as described in Velikovskys books, I decided to research the topic. I found several books on the subject, including the original book written by one of the scientists who actually examined, preserved and transported the mammoth remains from Siberia. Preservation of the mammoth remains was somewha...
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