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DINOSAURS
DINOSAURS

The story of dinosaurs began about 230 (1) ____. Dinosaur means "terrible lizard," and this name comes because Sir Richard saw them as a large extinct reptiles, very differentin the animal kingdom.
It covers three periods: Triassic, Jurassic and Cretaceous. Dinosaurs appeared at the time of the Triassic period, about 230 (2)____. These animals lived in what was known as"Pangea" when the continents were joined The first dinosaurs were small but gradually began to appear larger dinosaurs. They became the dominant animals. It is believed that the first dinosaur was theEoraptor, and is considered the common ancestor of all dinosaurs of the time. The time of dinosaurs known, included the Jurassic and Cretaceous (where they lived Tyrannosaurus rex, Triceratops andDiplodocus. Back 65 (3) ____, dinosaurs disappeared from Earth, went extinct.
The maniraptor Oviraptor lived in Mongolia today 65-70 (4) _____ ago, was discovered in 1993 (5) _____ in a similarposition to that of a hen in the act of hatching, which may mean that was covered with a layer of insulating feathers that kept the egg warm. At the time it was thought that this unusual theropodcharacteristic peak ridge and would have had a diet based on eggs.
Archaeopteryx, the first bird was discovered in 1861 (6)_____. The original specimen was found in the Solnhofen limestone in southern Germany.3,000, (7)____ animal life was restricted to water. The first living things on Earth were simple single-celled organisms.
In early 2010 (8)_____ an international scientific team composed of 41researchers reaffirmed this theory of the asteroid providing geological evidence collected in different parts of the world.
The tallest and heaviest of the dinosaurs which recovered the complete skeletonwas Brachiosaurus specimen was discovered in Tanzania between 1907 and 1912 (9)_____ Is on display at the Humboldt Museum of Berlin, and is 12 feet tall and probably weighed 40 to 60 tons. The...