Because dinosaurs have been extinct long before humans have had the chance to analyze them‚ scientists have only been able to propose theories and make assumptions debating whether dinosaurs were warm-blooded or cold-blooded. It was believed that dinosaurs were cold-blooded because dinosaurs were related to reptiles‚ which are cold-blooded. Now many scientists have proposed many reasons why dinosaurs were warm-blooded and not cold-blooded like reptiles. One reason why scientists believe dinosaurs
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Earth History (Geological Timeline) Lecturer Dr. Sameh Abu El Soud History of Early Geology Catastro‐phism Tries to explain the presence of everything on earth and their composition by catastrophes. E.g. A catastrophe happened to dinosaurs 80 million years ago. A comet fell on earth surface leading to volcanoes‚ leading to dust clouds in the atmosphere‚ preventing solar rays penetration ‚ the plants died and then the dinosaurs. Uniformi‐tarianism (James Hu on‚ late 1700s) ‐ He proposed that the
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Online Biology Lab Report Evolution Name______ A. Natural Selection 1. Record the number of beetles present in each of the three generations from the lab website. Generation|Orange Beetles|Green Beetles| 1st Generation|3|13| Later Generation|6|10| Last Generation|16|0| 2. Nature selected for the _______orange__________ beetles. 3. Nature selected against the______green________ beetles. B. Speciation 1. Why were wasp species A and B no longer able to mate with each
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“EARTH HISTORY” Geologic Time: Geology needs a time Scale: -The prime goal of the science of geology‚ is to interpreting earth history. Geological time scale- -Anordered‚internallyconsistent‚ internationally recognized sequence of time intervals‚ and record the life of Earth. Short history of geology: James Ussher(mid 1600s)- he determined that earth was only a few thousands of years old having been created in 4004 b.c Catastrophists(17-18cen.)-believed that earth landscape had been developed
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Week One Review Questions GLG 101 December 9‚ 2012 Sherrill Wible |Assignment |Resources: WileyPlus and Visualizing Geology | |Week One Review Questions |Prepare a response to each of the following questions primarily from the text. Provide an explanation in your | | |responses. Do not copy and paste your answers. If you use
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DINOS VS ALIENS Matt Smolinski Everyone knows that at one point‚ dinosaurs existed. What we don’t know is how they existed. They walked the planet millions of years ago. Being the dominant race at the time‚ surviving on other small animals. But what we don’t know is how they really lived. They were far more than any of us really know. They left behind their existence for someone to find‚ but hid the clues that would lead someone to really discover the truth. Someone who deserved it
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Cambrian period 543-490 million years Introduction The Cambrian Period marks the beginning of the Paleozoic Era. This period gets its name from a place in Wales where the first examples of this type of ancient life was found. The period lasted for nearly 53 million years‚ from about 543 million years ago until 490 million years ago. The Cambrian Period marks an important point in the history of life on earth; it is the time when most of the major groups
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Big Foot: Our Greatest Mystery Cryptids and mythical creatures have peaked human interest since the beginning of recorded time‚ big foot is our greatest‚ most relevant mystery. People have begun to see big foot before the media had brought it to life. Most sightings occur in isolated woodland areas‚ which is perfect big foot habitat. Sightings have occurred in places such as Canada‚ Hawaii‚ Colorado‚ New Mexico‚ and even Russia. As for what big foot is; science and tradition have two different theories
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Biology Assessment #4 Australian Megafauna: Thylacoleo Carnifex & Diprotodon Optatum Part A: The term Megafauna means ‘big animals’‚ and refers to animals with a body mass of over 40 kilograms. In general use‚ the term Megafauna is used to refer to the animals that evolved after the dinosaurs became extinct 65 million years ago. The extinction of the dinosaurs meant that the large number of birds‚ mammals and reptiles‚ which were left over‚ were able to evolve and dominate the earth.
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We already brought you part one of this list of facts about the turtle. We learned in the last article that the shell is not what we think it is‚ and that these creatures can be more ferocious than previously imagined. Here is part two of our list. Number Eight: They Differentiate Genders by Scent The sexual organs of these animals exists beneath the tail. Since they cannot tell each other apart by sight alone‚ they sniff each other in this spot to be able to tell for mating purposes. Number Seven:
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