Extinction event

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  • Sex, Disasters, And The Extinction Of Dinosaurs By Stephen Jay Gould

    they became extinct. Ultimately, only a major catastrophe could completely dismantle an entire species, let alone a body of dinosaurs. Consequently, the debacle on the causes of dinosaur extinction have baffled the minds of paleontologists for centuries. Geologist and zoologist Stephen Jay Gould published “Sex, Drugs, Disasters, and the Extinction of Dinosaurs,” to compare scientific and speculative causes of dinosaur extinction. This passage is highly informative and enjoyable. Gould provides three theories-- sex, drugs, and disasters-- that capture the reader’s curiosity, allowing room for consideration. Defining science in his own words, Gould states that science is a fruitful inquiry, not a list of conclusions (Gould 400). Gould is unhappy with the failure scientists have in separating claims from methods when establishing facts; furthermore, he proposes three ideas to explain the extinction of dinosaurs, two of which are speculations and the other one science (Gould 400). The first theory, sex, proposes that because of a worldwide rise in temperature during the Cretaceous period, the male reproduction system can't operate (Gould 402). Moreover, male…

    Words: 896 - Pages: 4
  • The Camariid Period: The Ordovician Period

    a sudden explosion of life on earth. The climate of the Cambrian Period was relatively cold at first, but then started to gradually warm up. Halfway through this period life started to go extinct. The second period in the Paleozoic Era was the Ordovician Period. During this time, life underwater went through some tremendous changes. Also, a variety of marine life flourished also plants were beginning to appear on land also most of the world's land masses came together to form the super…

    Words: 983 - Pages: 4
  • Mass Extinction In Movies

    The Massest of Mass Extinctions With all the post-apocalyptic themed movies coming out of Hollywood, most people are probably familiar with the concept of a mass extinction. In those kind of movies the cause is often a manmade problem, such as nuclear war. However, in the earth’s distant past, we were not around to destroy ourselves. So what happened? 250 million years ago the Permian period came to an end in a mass extinction causing 95% of species living in the ocean to die (Cort, 2006). To…

    Words: 843 - Pages: 4
  • Causes Of The Extinction Of Dinosaurs

    The Road to Extinction Dinosaurs have captured the whole world’s attention and curiosity. How did they come to be extinct? What factors led to this downfall? Are they completely extinct? All these questions additional to several others have aroused among many scientists. Although the extinction of the dinosaurs was the smallest one it seems to be the most discussed (Meyer, 2016, personal communication). So what was the cause of the end of these grand creatures? In the article “The ‘Great…

    Words: 775 - Pages: 4
  • The Great Dying: The Cause Of Death

    Five times in the history of Earth, mass extinctions of unimaginable death scale almost wiped out most of the life on the planet. The last event occurred 65 million years ago when Earth was impacted by an asteroid killing the dinosaurs and other organisms (70 per cent of the species). The deadliest of these extinction events happened more than 252 million years ago. The event is known as the Permian-Triassic Extinction Event or the “Great Dying” that killed around 90 per cent of all species on…

    Words: 1709 - Pages: 7
  • Essay On Permian-Triassic Extinction

    INTRODUCTION The Permian-Triassic extinction is seen as one of the largest mass extinction in the history of life. According to the McGraw-Hill Dictionary (2003) it can be defined as a mass extinction event marking the division between the Permian Period and the Triassic Period as well as the border between the Palaeozoic and Mesozoic eras. It is estimated to have triggered the extinction of 90% or more of all ocean species, approximately 70% of land vertebrates, and significant extinctions of…

    Words: 831 - Pages: 4
  • The Sixth Extinction

    The Sixth Extinction: An Unnatural History is by Elizabeth Kolbert. Kolbert is an American journalist, observer, author, and staff writer at The New Yorker. The Sixth Extinction won the Pulitzer Prize in 2015; I chose this nonfiction book because I hadn’t heard of the concept of a sixth extinction. I had previously learned of multiple extinctions that occurred in the Cretaceous, Ordovician, Permian, and Triassic-Jurassic periods, but I became curious just by the thought of what Kolbert meant by…

    Words: 729 - Pages: 3
  • Elizabeth Korbert The Sixth Extinction Analysis

    In The Sixth Extinction, by Elizabeth Kolbert, the author stresses that if no changes are made to the world in which we live today, that a mass extinction will occur. Kolbert reveals that species are becoming extinct at a rate that is similar to those of preceding mass extinctions. Most importantly, if the destruction and contamination of the natural world continue at the same pace then it will conclude with the end of humanity. Similar to the extinction of dinosaurs 65 million years ago,…

    Words: 480 - Pages: 2
  • Essay On Mass Extinction And Biodiversity Loss

    Five times in the past, the Earth has been struck by cataclysmic events, ones so severe and swift they obliterated most living things before they ever had a chance to adapt. With the developing technologies and industries, humans now possess the ability to impact the Earth immensely. In the articles, “Numerous Signs Point to Parasite Mass Extinctions” by Tracy V. Wilson and “Mass Extinction and Biodiversity Loss” by David Hosansky, are concerned on this topic and explain how the Earth is on the…

    Words: 985 - Pages: 4
  • The Sixth Extinction: An Unnatural History

    tion Questions Alannah Dodd Period 2 1. Explain the title of the book The Sixth Extinction is a book all about the fact that the earth as we know it has proceeded through 5 “waves” of mass extinctions, and is currently in the middle of yet another wave of mass extinction (the sixth). These “unnatural” occurrences have displayed shocking changes to the variety of species on the globe, hence the title: “The Sixth Extinction, An Unnatural History.” 2. What gave people the idea…

    Words: 1725 - Pages: 7
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