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Free research essays on topics related to: million years ago

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  • Million Years Ago Homo Erectus
    1,040 words
    For years, the evolution of human beings has been researched and studied. In today's society, there are many different interpretations on creation and how humans came to be what they are today. Through much scientific evidence and studies, there is now physical proof that human beings may have evolved from ape-like creatures. Even with this, there are still disputes in the paleo anthropological field of whether or not this is true. Still, many choose to believe their religious creation stories w...
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  • Million Years Ago 65 Million Years
    2,114 words
    The "Nemesis Theory" was an outgrowth of the discovery of Alvarez et al. , that the impact of a large (10 km diameter) comet or asteroid was responsible for the great mass extinction that took place 65 million years ago. Studies of the fossil record by Dave Raup and Jack Sepkoski shows that this was not an isolated event, but one of several mass extinctions that appear to occur on a regular 26 million year cycle. Their original paper analyzed marine fossil families, and was published in the Proc...
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  • Million Years Ago Five Hundred
    1,312 words
    On 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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  • Million Years Ago Hot Spot
    346 words
    A hot spot is said to be a volcano that is recognized by an age progression from one end of the chain to the other. An active volcano commonly serves as an "anchor" at one end of the chain. After minutes of searching the web I found a hot spot that was not included in the Hawaii or Yellow Stone hot spots. I found my hot spot near India by the island of About 66 - 68 million years ago present-day India was above the hot spot and great volumes of basaltic lava erupted to produce the Deccan Traps. ...
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  • Million Years Ago 5 Million Years
    1,586 words
    Human evolution is the biological and cultural development of humans. A human is any member of the species Homo sapiens, meaning wise man. Since at least the Upper Paleolithic era, some 40, 000 years ago, every human society has devised a creation myth to explain how humans came to be. Creation myths are based on cultural beliefs that have been adopted as a legitimate explanation by a society as to where we came from. The science of paleo anthropology, which also tries to create a narrative abou...
    Free research essays on topics related to: homo habits, million years ago, 1 5 million, 5 million years, homo sapiens
  • Million Years Ago 000 Years Ago
    951 words
    Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens sapiens, or human beings. Humans evolved from apes because of their similarities. This can be shown in the evidence that humans had a decrease in the size of the face and teeth that evolved. Early humans are classified in ten different types...
    Free research essays on topics related to: homo erectus, million years ago, homo sapiens, 000 years ago, 5 million years
  • Million Years Ago Thousand Years Ago
    1,332 words
    Many people have different views regarding the same topic. Over the years, countless theories have been brought forward to answer the question of human origins. Scientists, archaeologists, anthropologists and religious groups have spent lots of time arguing in support of their own respected theories. With the use of technology such as carbon dating and improvements in scientific methods; new fossil evidence has traced humanities bipedalism back to five million years, shedding some light on human...
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  • Million Years Ago Permian Extinction
    1,401 words
    Anthropology Is human extinction possible? Why does this happen? What causes a species to be extinct? Can human race prevent it? To answer these questions we must first define what extinction means, what types are there and why do they occur. As extinction is a continual product of natural selection, since the dawn of competition spawned by the first meiosis event, natural selection has altered all life on earth, precariously engaging in life experiments some that work and some that dont. Those ...
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  • Million Years Ago 65 Million Years
    3,666 words
    Introduction To Evolution What is Evolution? Evolution is the process by which all living things have developed from primitive organisms through changes occurring over billions of years, a process that includes all animals and plants. Exactly how evolution occurs is still a matter of debate, but there are many different theories and that it occurs is a scientific fact. Biologists agree that all living things come through a long history of changes shaped by physical and chemical processes that ar...
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  • Big Bang Theory Million Years Ago
    2,410 words
    In my short life on this planet I have come to question things that many take upon blind faith. We all know that we must some day die; yet we continuously deny the forces at work inside ourselves, which want to search out the answers of what may or may not come after. It is far easier for humanity to accept that they will go to a safe haven and be rewarded for their lives with pleasures and fantasies of an unfathomable scale than to question the existence of a supposed omnipotent being. Yet, the...
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  • Million Years Ago Homo Erectus
    1,251 words
    In the January/February issue of Archaeology magazine, the article Early Homo erectus Tools in China holds additional, yet questionable information about the foundations of the genus Homo. After recent findings of stone tools and animal bones at Renzidong (Renzi Cave) in Anhui Province, eastern China, Chinese scientists have concluded that Homo erectus may have been established there 400, 000 years earlier than formerly believed, almost 2. 25 million years ago. Besides this site being one of the...
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  • Million Years Ago Mass Extinction
    10,014 words
    Earth probably began Extinction Introduction Earth probably began about 4. 5 billion years ago. A history of this life on Earth is recorded in fossil remains and traces of past life. It is a record of evolution for both life and the planet. Life and the planet have co-evolved, with life causing changes to the planet which in turn drive changes in life. The Fossil Record A history of these changes is recorded in the layers or strata of rock laid down over the millions of years, and by changes in ...
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  • Million Years Ago Ice Ages
    283 words
    During the past billion years, the Earths climate has changed from warm, ice-free periods to cold periods where the Earth was covered with many huge glaciers, and back to warm again. We are currently near the end a warm period in between ice ages. It is believed that there were many ice ages, 36, 15, and 3 million years ago. The last ice age is estimated to have been about 20, 000 years ago. Approximately 55 million years ago the whole earth was warm. The difference in temperature of the equator...
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  • Million Years Ago 000 Years Ago
    1,389 words
    How Man evolved How did the early man evolve and change into the way we are today? Human Evolution, the natural development of the species Homo Sapiens, or human beings. The initial man, called the Hominid was short, not intelligent, and very ape like. The next man lived in the stone age; his name was Homo Habilis. After Homo Habilis, Homo Erectus evolved. He was smarter, more efficient, and walked up-right. And he leaded to us, Homo Sapiens A lot of fossils, bones, and teeth have been found at ...
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  • Million Years Ago 000 Years Ago
    1,421 words
    World History Human Evolution Final Copy January 19, 97 How did the early man evolve and change into the way we are today? Human Evolution, the natural development of the species Homo Sapiens, or human beings. The initial man, called the Hominid was short, not intelligent, and very ape like. The next man lived in the stone age; his name was Homo Habilis. After Homo Habilis, Homo Erectus evolved. He was smarter, more efficient, and walked up-right. And he leaded to us, Homo Sapiens A lot of fossi...
    Free research essays on topics related to: 000 years ago, homo erectus, million years ago, 5 million years, 1 5 million
  • Million Years Ago 000 Years Ago
    949 words
    Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens sapiens, or human beings. Humans evolved from apes because of their similarities. This can be shown in the evidence that humans had a decrease in the size of the face and teeth that evolved. Early humans are classified in ten different types...
    Free research essays on topics related to: homo erectus, homo sapiens, 000 years ago, 5 million years, million years ago
  • Million Years Ago 000 Years Ago
    908 words
    ArdipithecusHuman Evolution Human Evolution Ardipithecus radius This species was announced in September 1994. It is thought to be the oldest known hominid species. It was dated at 4. 4 million years old. The majority of the fossils found were skull fragments. Other evidence suggests that this species was bipedal. The individuals were about four feet tall. Some fossils found indicate that radius may have been a forest dweller. The teeth resemble something between earlier apes and A. afarensis. Th...
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  • Billion Years Ago Million Years Ago
    605 words
    Mass Extinction in the Precambrian As the decades pass, technological advances have enabled researchers, entrepenures and pondering minds the ability to discover more and more about every aspect of our very existence. Over the past three decades the evolutionary tree of life has been expanded at least seven times over. Major advances have been made in the area of evolution to open the eyes of many to the extensive history of the earth. For the very first time, we have tangible knowledge that lif...
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  • Million Years Ago Endocrine Glands
    1,421 words
    Human Biology and Evolution Humans are Alive The earliest human life form can be traced back more than 3. 5 billion years ago. Humans are said to be descendants of a single celled ancestor. Although they are different in size and shape all basic functions are alike. The more complex the organization of the cell became the more successful and developed it became. As these single celled organisms developed they became known as pre-humans. We share many characteristics with these pre-humans. Some o...
    Free research essays on topics related to: circulatory system, genus homo, endocrine glands, single celled, million years ago
  • Million Years Ago 000 Years Ago
    648 words
    The Evolution of Lake Champlain Basin A billion years ago, Lake Champlain and all of North America was covered by huge glaciers. The air was rich in oxygen because of photosynthesis done by plants. The Adirondacks Mountains Mountain-building events made the then 20, 000 feet Adirondack Mountains. Minerals such as garnet, anorthosite, and diopside came from metamorphic rocks. The Iapetus Ocean What is now the Champlain Valley started to rift 600 million years ago. It turned into the Iapetus Ocean...
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