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  • 9 Types of Tigers: Guide to All Subspecies (Size, Population . . .
    Did you know that not all tigers are the same? There are nine sub-species in all, and they can vary in everything from color to size to region Let’s take a look at the different types of tigers By the time that you’re done reading this, you’ll be an expert in these big cats! 1 Siberian Tiger Common name: Siberian tiger
  • 6 Basic Animal Groups - ThoughtCo
    Reptiles, like amphibians, make up a fairly small proportion of terrestrial animals, but as dinosaurs, they ruled the Earth for over 150 million years There are four basic types of reptiles: crocodiles and alligators; turtles and tortoises; snakes; and lizards
  • Megafauna - The Australian Museum
    Most large, predominantly browsing animals lost their habitat and retreated to a narrow band in eastern Australia, where there was permanent water and better vegetation The diprotodon , one of Australia's megafauna, may have survived on the Liverpool Plains of New South Wales until about 7000 years ago
  • Taxonomy (biology) - Wikipedia
    He divided all living things into two groups: plants and animals [36] Some of his groups of animals, such as Anhaima (animals without blood, translated as invertebrates) and Enhaima (animals with blood, roughly the vertebrates), as well as groups like the sharks and cetaceans, are commonly used [39] [40] [41]
  • Annual Statistics of Scientific Procedures on Living Animals . . .
    The most common areas of research were animal diseases and disorders (48%), human cancer (15%), and human infectious disorders (12%) The most common species used in regulatory procedures were
  • Extinction Over Time - Smithsonian National Museum of Natural . . .
    Extinction of Plants and Animals Extinction is the death of all members of a species of plants, animals, or other organisms One of the most dramatic examples of a modern extinction is the passenger pigeon Until the early 1800s, billions of passenger pigeons darkened the skies of the United States in spectacular migratory flocks
  • Why Do So Many Beetle Species Exist? - Smithsonian Magazine
    They’re members of a group of 40,000 species of leaf beetles, the Chrysomelidae, one of the most species-rich branches of the vast beetle order, Coleoptera “You have your weevils, longhorns





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