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  • 10 Extraordinary Facts About the Elusive Okapi - Treehugger
    They even belong to different taxonomic orders: Okapis are even-toed ungulates (a broad group that includes most hoofed mammal species), while zebras are odd-toed ungulates (along with horses
  • CULTURAL EVOLUTION AND THE UNIQUENESS OF BEING HUMAN
    Darwin closed The Descent of Man by noting two fundamental aspects of the human condition that at face value might seem contradictory: “man with all his noble qualities, with sympathy which feels for the most debased, with benevolence which extends not only to other men but to the humblest living creature, with his god-like intellect—… still bears in his bodily frame the indelible stamp
  • Which group of animals has the most species? | Live Science
    Mammals' 5,500 species might seem pitiable compared with insects' 3 million But more than a quarter of mammals are rodents — 1,500 species, including rats, squirrels, beavers, capybaras and
  • Mammals - Grand Canyon National Park (U. S. National Park Service)
    Over 90 species of mammals call Grand Canyon National Park home, giving this park higher mammalian species diversity than Yellowstone From the largest land animal in North America to some of the highest bat species diversity in the United States, Grand Canyon is home to a far larger mammalian population than many people think
  • There are more mammal species than we thought | ScienceDaily
    The number of recognized mammal species has increased over time from 4,631 species in 1993 to 5,416 in 2005, and now to 6,495 species This total includes 96 species extinct within the last 500
  • 15. 6 Vertebrates - Concepts of Biology - OpenStax
    Mammals are vertebrates that have hair and mammary glands used to provide nutrition for their young Certain features of the jaw, skeleton, skin, and internal anatomy are also unique to mammals The presence of hair is one of the key characteristics of a mammal
  • Why did mammals survive the K T extinction? - ScienceDaily
    Why did mammals survive the 'K T extinction'? Date: February 10, 2010 Source: Penn State Summary: Picture a dinosaur Huge, menacing creatures, they ruled the Earth for nearly 200 million years





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