Triceratops is a genus of herbivorous ceratopsid dinosaur which lived during the late Maastrichtianstage of the Late Cretaceous Period‚ around 68 to 65 million years ago (Mya) in what is now North America. It was one of the last dinosaur genera to appear before the great Cretaceous–Paleogene extinction event.[1] The term Triceratops‚ which literally means "three-horned face‚" is derived from the Greek τρί- (tri-) meaning "three"‚ κέρας (kéras) meaning "horn"‚ and ὤψ (ops) meaning "face".[2] Bearing
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species of animals similar to the Megalosaurus and the Quarterly Journal of the Geological Society of London where Buckland first published his discovery “became the leading journal in which studies on British dinosaurs were published. A remarkable 35 dinosaur taxa‚ representing 32% of the 108 dinosaurs that we recognize as valid or as nomina dubia‚ have been named in Society
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Years NOVA’s four part videos "Australia’s First 4 Billion Years" takes viewers on a rollicking adventure from the birth of the Earth to the emergence of the world we know today. With help from host and scientist‚ Richard Smith‚ we meet titanic dinosaurs and giant kangaroos‚ sea monsters and prehistoric crustaceans‚ disappearing mountains and deadly asteroids. The visuals (both real and computer-generated) are beautiful‚ and the stories are clearly and engagingly told. The program builds an appreciation
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What are fossils? Fossils are the remains or marks of plants and animals that lived a very long time ago. They are usually found in rocks and stones. Fossils are important because they tell us a story about things that lived on the earth before us. What Things Become Fossils? Animals and plants become fossils. So do nests‚ eggs‚ footprints and even animal droppings! How are Fossils Made? Fossils are made from the hard parts of plants and animals‚ such as:-bark‚ seed cases‚ bones and
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Cox is here. Now I have to deal with him for four years in a row. Clinton stepped out of his truck and walked into the arena’s office that is being used to teach them the rules and what their two year olds are expected to know. As usual Chris came walking up to him. “ Aren’t you excited we get to do the NRHA Futurity together again?” “ Ya… that’s the word for it. Excited‚” Clinton responded sarcastically. Chris dimwitted‚ smiled and followed Clinton the rest of the way to the office. As usual Chris
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Summary: A Sound of Thunder is about a man that decides to go on a hunting trip to the past to shoot the dinosaur Tyrannosaurus Rex. Characters: Eckels - Man that decides to go on a hunting trip to the past Keith - President of the current reality Deutscher - Man that lost current presidency to Keith‚ known as the anti everything man in the current reality Mr. Travis - The safari guide in to the past Lesperance - the assistant safari guide to the past Section One: Eckels remarks how lucky
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source for wildlife. The tree can produce one thousand pounds of acorns annually. When people hear the word extinction‚ they think of the word that they have been hearing since they were small toddlers. When this word is heard most refer to the dinosaurs becoming extinct. In the book the sixth extinction it mentions how
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In the story “A Sound of Thunder‚” Ray Bradbury tells the tale of Eckles‚ a hunter‚ who went back in time to shoot a dinosaur. Set in the year 2055‚ the story ends with Eckles returning home after a dictator gets elected changing everything‚ which causes Travis‚ the safari guide‚ to shoot him. Through the character of Eckles‚ Bradbury takes a close look at Eckles’ attitude and their results. Bradbury demonstrates that having a careless attitude toward different circumstances will lead a person to
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recognized 15 intervals of mass extinction and divided into three big mass extinctions which are minor‚ intermediate and major mass extinction. They concluded that the major mass extinction is the only one which is called Permo-Triassic extinction. The dinosaur extinctions were classified as intermediate mass extinctions. Raup and Sepkoski (1982) said in more scientific the mass extinction refers to a large number of different types of organism occupying a range of diverse and widespread environment‚ with
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volume Ornithologiae.[5] Carolus Linnaeusmodified that work in 1758 to devise the taxonomic classification system currently in use.[6] Birds are categorised as the biological classAves in Linnaean taxonomy. Phylogenetic taxonomy places Aves in the dinosaur clade Theropoda.[7] Definition Aves and a sister group‚ the clade Crocodilia‚ contain the only living representatives of the reptile clade Archosauria. During the late 1990s‚ Aves was most commonly defined phylogenetically as all descendants of
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