Columbian Exchange Between 225 and 280 million years ago‚ all the separate lands came together to form a landmass called Pangea. Around 120 million years ago the landmass had begun to separate. The result of this separation was the formation of the Atlantic Ocean‚ and the division of the Americas from Africa and Eurasia. The Columbian Exchange is known as the period of time when there were exchanges in the culture and the economy of the New and Old Worlds. Plants‚ animals‚ technology‚ and different
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One of the fiercest aquatic carnivores to roam the Earth and as big as 15 to 17 meters long it lived from the Late Oligocene to Early Pleistocene Era where the Megalodon lived in cold waters as the ice sheets have started to very slowly form from the cold waters of the Arctic but the Megalodon lived worldwide. Although being on top of the food chain the Megalodon also had competition which was the Odontocenti which consisted of raptorial sperm whale and squalodontis which were also apex predators
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Elizabeth Kolbert wrote The Sixth Extinction as an attempt to explain and give examples of what seems to be a 6th extinction event currently happening in the modern world. We have discussed and learned about five other extinction events throughout this semester‚ and Kolbert pushes this 6th extinction event as a new rapid extinction predominantly caused by humans. One of the underlying causes of this 6th extinction event discussed in the book is the mass killing of both animals and humans. Another
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The Pangaea Theory The Pangea theory describes that all continents were joined together in one enormous land mass millions of years ago. Later on the continents broke apart and start drifting in opposite directions and still continued to make another arrangement. In 1912‚ Alfred Wegner‚ a German meteorologist and geologist gave the hypothesis the all the continents were joined together in a single continental land mass surrounded by a single ocean (Panthalassa) Late Paleozoic times. The Wegner
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Did you know that one day in the past the continents were connected with each other? Continental drift states that the continents that we know today were once one large landmass called‚ Pangea. Many people argue with the theory about the continental drift‚ because no one yet has proven to the theory’s idea. Many people have been trying to find ways of how the continental drift could have happen‚ by researching objects from the past. This gave scientist or people another point of view about the continental
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Twists and Turns Humans spend all their lives trying to put their life together like the pieces of a puzzle‚ but what if life is not a puzzle? What if life was a Rubik’s cube and there was a pattern to solve the chaos painted world we live in. Much like a Rubik’s cube‚ humans try to solve every situation but sometimes they take a turn and the colors just don’t match up. Everyday of their lives they seem to create a problem and are blindsided by the result. As when one is trying to solve a
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This era is also called as the "Age of Invertebrates" A. Paleozoic B. Precambrian C. Mesozoic D. Cenozoic TEST III Directions: Write number 1-10 according to the time the event took place. 1 being the first event and 10 being the latest event. _ Pangea was formed _ Hominids developed and the Grand Canyon formed _ Explosion of life _ First snakes and primates appeared _ First land plants appeared and land animals followed _ Simple‚ singe-celled forms of life appeared _ Four main continents formed:
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Around 4.6 billion years ago‚ our universe was born by accretion from the solar nebula known as the Big Bang. As the sun heated up‚ this orbiting matter accumulated and unavoidable mass of larger bodies collide to successively create protoplanets with its own gravitational pull. During this period‚ Earth was nothing but molten rock from the collision with other bodies and volcanoes‚ temperature reaching over 2‚000 fahrenheit. Not only that‚ but Earth then‚ would’ve been toxic to humans and modern
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amounts of older‚ buried rocks were pushed northwestward‚ up and over younger rocks along a large nearly flat lying thrust fault‚ know now as the great smoky fault. After the natural process of the Appalachian mountain building the supercontinent of Pangea broke apart and the North American and African tectonic plates GRADUALLY moved to their present position. The mountains the currents ones suffered a process of an intense erosion from ice‚ wind‚ and water. It was so big that TREMENDOUS amounts of
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Plate Tectonics Brandon Womac Plate tectonics have played a major role in the history of the Earth. All seven continents are where they are today due to the movement of plate tectonics. These seven continents were one big supercontinent called “Pangea” about 200 million years ago before breaking apart. The three different types of plate boundaries are convergent‚ divergent‚ and transform. These plate boundaries form due to the earth’s outer shell called the lithosphere having multiple plates moving
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