Extinction and Evolution Ecology helps us understand the importance of mass extinction in evolution‚ and it also helps us understand some of the causes of extinction. Ecological niche is one of the most important concepts to understand. An animal or plant lives in a certain place is active at a particular times‚ and eats certain things; all these factors describe its ecological niche. Our environment is parted into millions of ecological niches‚ each that represents a probable home for life
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Task 9: Mass Extinctions Introduction: In this report I will talk to you about the 5 mass extinctions that have happened on earth over the past 434 million years. I will also talk to you about the effects of the current mass extinction. The last things i will show is a list of 10 recently extinct species and 10 endangered species. Number 1: The Ordovician Silurian Extinction This extinction happened about 439 million years ago‚ because of a drop in sea levels as glaciers formed. An ice age has been
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The extinction of animals 1. Top ten of extinct animals More than 99% of all species that have ever lived on Earth are now extinct. The vast majority (over 95%) died out. Today is Endangered Species Day. Check out some of the beautiful creatures that the planet has lost. I. The Dodo (Raphus cucullatus): The flightless bird‚ native to the island of Mauritius‚ in the Indian Ocean. II. The Dinosaurs (all of them): They were gone long before the first human graced the planet. III. Passenger
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Muhamad Naem Bin Yusof Title : Animal in Extinction SubTopic : Why the animal under verge of extinction Introduction In bucked the trend towards modernization and progress‚ we increasingly forget that not only human beings that inhabit this universe. Ever forget the existence of human animals and the environment so that most of us have succumbed to the demands of modernization and progress. Humans have killed the flora and fauna around us to make way for development. Implications
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Brink of Extinction In Malaysia today the survival of wildlife have taken second place to human activity. All major wildlife species are now threatened with extinction. Does saving these endangered species and taking necessary actions for those who are on the brink of extinction means anything to you? Most of us are not aware that our Malayan Tiger‚ Clouded Leopard (Roy Goh 2011)‚ Pygmy Elephant‚ Sumatran Rhino‚ Orang-Utan and Turtles are in the under-extinction animals category
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reasons as well as argument for necessity of conducting such campaign. First of all‚ the environmental degradation is widely recognized as a primary reason. In fact‚ the deforestation and environment pollution have put creatures on the verge of extinction. Domestic apes in Vietnam‚ which have die out due to shrinking of tropical trees‚ could be taken as a particularly salient example of this. Ignoring the impact of human on minimizing the habitat of animals is thereby a grave mistake. Additionally
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In the book The Sixth Extinction the author Elizabeth Kolbert writes about the major problem our planet is facing. Humans are causing a new mass extinction. There have been five major mass extinctions in the past. Unlike the others this extinction is caused by humans. It is occurring at incredibly fast rate because of the climate change. She also mentions how increased hunting in the bird the great auk caused them to eventually die off. This book is about the negative human impact on this planet
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Several mass extinctions have occurred during the Earth ’s history. The Cretaceous Tertiary Boundary (K-T) Extinction caused the loss of at least three-quarters of all species known at that time including the dinosaurs. The cause of this mass extinction is a controversial subject among scientists but the fossil evidence of it ’s occurrence is abundant. INTRODUCTION The K-T Extinction occurred 65 million years ago. Many species perished in that extinction. Today evidence for this extinction can be
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numbers of endangered species are still increase rapidly. However‚ there were still numbers of selfish people that did not even concern about the animal species that disappeared. Animal extinction can be defined as animal species no longer stay in the earth as it already disappeared. The factors that lead to animal extinction are irresponsible human’s hands that destroyed animal’s habitat by deforestation‚ illegal wildlife trades and climate change. Deforestation is the main causes that lead animal species
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De-Extinction is one of the hottest topics in the science world currently and it tops the lists of conservation and genetic scientists alike for next big project. Though this could be a great way to learn of past species and finally see them for ourselves‚ at what cost is a species revived? The idea of bringing back an extinct species‚ such as some type of dinosaur‚ comes with many questions that most find to be debatable. Conflicts arise from every aspect of this “new” animal including how it is
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