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  • Great Apes and Lesser Apes Conservation Facts | IFAW
    Learn more about the different types of apes, including the great apes and lesser apes, as well as the urgent threats they face and how you can help them
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    World Wildlife Fund - The leading organization in wildlife conservation and endangered species Learn how you can help WWF make a difference
  • What Are the Main Groups of Invertebrates? - Reference. com
    There are seven primary groups of invertebrates in the animal kingdom They are sponges, ctenophores, cnidarians, echinoderms, worms, mollusks and arthropods Almost every higher animal species on Earth falls into one of two categories, either vertebrates or invertebrates
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    All species of humans other than Homo sapiens became extinct: between 30,000 and 12,000 years ago Trichinella worms sometimes cause the disease known as trichinosis in humans when undercooked pork is eaten
  • Aquatic Invertebrates | National Invasive Species Information . . .
    There are more than 6,500 invasive species established across the United States The large numbers of invasive species prevent us from maintaining detailed information on all invasive species In addition, determining the invasiveness of a species depends on a number of local factors, including type of habitat
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    The species were chosen for this study according to four criteria: (1) the species had the most distribution records in China based on the study of Xu and Qiang (2011) and on the Chinese Virtual
  • Sloth | Species | WWF - World Wildlife Fund
    Sloths have an exceptionally low metabolic rate and spend 15 to 20 hours per day sleeping And surprisingly enough, the long-armed animals are excellent swimmers They occasionally drop from their treetop perches into water for a paddle There are two different types of sloths, two-toed and three-toed, and six species:





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