Page 1 of 3 - About 27 Essays
  • The Camariid Period: The Ordovician Period

    and final period was the Permian Period during this period there was the biggest mast extinction to ever come. The climate went through extreme conditions. The supercontinent of Pangea had extreme cold weather the south was cold and dry, and the majority of the area was covered in ice caps. The northern area dealt with immense heat and moist and arid conditions. Also the swamp forests from the Carboniferous period were being replaced by gymnosperms plants. Also reptiles have developed a bit more and had thicker skin and other animals were developing and adapting to their climate. At the end of the period there was a sudden loss of life and it greatly impacted earth. 7. How was the Triassic period a transitional time period during the Mesozoic era? During the late Triassic period, the seafloor started to transition and move around and that caused the land to move along with it. This lead to the separation of Pangea. Then the first Scleractinia started to form, it showed advancement in marine life. 8. Why is the boundary between the Triassic and Jurassic periods similar to the boundary between the Permian and Triassic periods? The reason being it there was a movement with sea life and evolution in the ocean floor and land life. 9. Which era is sometimes referred to as the age of mammals? The Cenozoic Era. 10. What are at least 2 other names that could have been used to describe this era? Why? Two other names that could have been used to describe the…

    Words: 983 - Pages: 4
  • Extinction Of Dinosaurs Essay

    Keywords— Non-Avian Dinosaurs, Mass extinction, Dinosaurs extinction theories; Asteroid impact; Volcanism; I. INTRODUCTION Dinosaurs are the certain group of reptiles which influenced and ruled the earth for more than 160 million years, which are descendant from the species called Archosaurs. These huge reptile creatures were of various shapes and sizes, from frightening huge Spinosaurus to the small sized Microraptor. Dinosaurs were lived in a Mesozoic era which comes in between approx. 230…

    Words: 703 - Pages: 3
  • Impact Theory And The Extinction Of Dinosaurs

    The Volcanic Theory answers many questions that the Impact Theory poses, for example, volcanic activity acts over a much longer time span than an impact does, which would explain the irregular iridium peaks found in areas of the globe; and it also accounts for the selective extinction that occurred (refer to example of amphibians that did not become extinct during the Mesozoic period) (Pasichnyk,…

    Words: 765 - Pages: 4
  • Dinosaurs Ectothermic Or Warm-Blooded Essay

    large but they did not need to be endotherms; they could be homeotherms; they would warm up slowly and cool very slowly, so they could maintain a near-constant body temperature. 3. The bone structure of some dinosaurs exhibit lines of arrested growth, showing that growth was seasonal. Modern endotherms do not have of arrested growth, and modern ectotherms have. 4. Ectotherms are generally scaly. Dinosaur fossilized skin impressions show somewhat scaly hides. 5. The absence of nasal respiratory…

    Words: 948 - Pages: 4
  • Personal Narrative Essay: The Last School Clock Of The Day

    which I was getting bored of. Still, I wanted to play something this weekend. I walked up and down the aisle, narrowing down my choices until there were two contenders left. I had both cases in my hand, looking for reasons why one one be better then the other when a customer walked by. I was partially blocking the path so I took a step back and bump against the metal basket acting as the bargain bin. I glanced down absentmindedly, waiting for the man to pass but then did a double take. I…

    Words: 871 - Pages: 4
  • The Tasman Orogeny Habitats

    1. The Tasman Orogeny is represented in the basement rocks or eastern Australia. The rocks make up one third of Australia’s landmass. The orogeny extends along the eastern seaboard from the Tasmania in the south to Queensland in the north. In the early Paleozoic to early Mesozoic Australia was located on the eastern side of the Gondwana super continent. It was situated above Antarctica to the northeast of India. The tectonic processes that increased in the size of the…

    Words: 1327 - Pages: 5
  • Why Does Dinosaurs Exist

    or of a group of organisms normally a species. When something is considered extinct it is the death of the last individual of the species. The extinction concentration mainly includes animals and plants. We do not realize it so much in plants as we do in animals, and animals are the main concern when extinction is discussed. When a species is at risk of being extinct, it is called endangered species. Scientist says it is estimated that fifty percent of the current species of plants and animals…

    Words: 1228 - Pages: 5
  • Cancer Argumentative Essay

    Everyone knows somebody with it, someone who's beaten it, or somebody who's died from it. If you haven't figured out what's being talked about alright, it's cancer. Cancer is something present in everyday life, even the dinosaurs had cancer way back in the mesozoic era. Cancer has been around since the beginning of time, approximately 65 million years ago. With all the advancements of medical science made in the 21st century it presents a valid question, why haven't scientists discovered a cure…

    Words: 660 - Pages: 3
  • Write An Essay On Gondwana And Its Effects On Supercontinents

    Gondwana. Little did we know back then that Gondwana created our continents today.Caption: This diagram shows the breakup of the Pangaea supercontinent. It also shows the dates on when these landmasses broke apart initially occurred. They broke apart over a slow amount of time. As I talked about in the paragraph above, you can see the different continents and how they broke apart over the slow amount of time to create our continents today. These landmasses will change eventually. This…

    Words: 759 - Pages: 4
  • Recombinant Dna Synthesis

    photo-autotrophs get their energy from food consumption. Heterotrophic organisms get their energy by absorbing nutrients. The oxygen revolution occurred 2.7 billion years ago. It was the time O2 began accumulating in the atmosphere which caused the extinction of many prokaryotic groups. The second oldest eon is the Proterozoic. The current eon we are in is the Phanerozoic. Endosymbiont theory is the principle that organelles inside the eukaryotic cell came to fruition because of those punctual…

    Words: 1949 - Pages: 8
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