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英文字典中文字典相关资料:


  • Why did the Tasmanian tiger go extinct? - The Conversation
    Australia accounts for one-third of all contemporary mammal extinctions worldwide At least ten species and six subspecies of Australian marsupials have become extinct following European
  • Protecting Wild Tiger Habitat
    Zoos provide insurance against such long-term threats as genetic deterioration that could affect the small populations of tigers left in fragmented reserves Participate in the solution Your awareness and support is a vital part of the effort to save the wild tiger from extinction
  • Amazing Facts about Tigers | OneKindPlanet Animal Education . . .
    Three sub-species of tiger are already extinct and one species, the South China tiger, is thought only to survive in captivity Tigers are endangered, and some the biggest threats to their survival include illegal poaching, loss of habitat due to agriculture and urbanisation, and reduction in prey availability
  • China Says Giant Pandas Are No Longer An Endangered Species - NPR
    There are now 1,800 giant pandas living in the wild, a number that officials credit to the country's devotion to maintaining nature reserves and other conservation initiatives in recent years
  • Great White Sharks | Species | WWF - World Wildlife Fund
    The great white shark is the world's largest known predatory fish It has 300 teeth, yet does not chew its food Sharks rip their prey into mouth-sized pieces which are swallowed whole The shark’s heavy, torpedo-shaped body allows it to cruise efficiently for long periods of time, and then
  • Why should we save tigers? - WWF-India
    The extinction of this top predator is an indication that its ecosystem is not sufficiently protected, and neither would it exist for long thereafter If the tigers go extinct, the entire system would collapse For e g when the Dodos went extinct in Mauritius, one species of Acacia tree stopped regenerating completely
  • Humans are driving animals and plants to the edge. But are we . . .
    Trilobites were ancient arthropods that filled the world’s oceans from the early Cambrian, some 520 million years ago, until the mass extinction at the end of the Permian, 252 million years ago





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