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penguins

  • (Wikimedia Commons)
    Where Did Penguins Come From?
    Walker Rhea
    Scientists have mulling over the origin of the penguin. And after sequencing the genome of the 18 species of penguins that exist today, they have a pretty good idea how these evolved.
  • (Wikimedia Commons)
    Think Like A Penguin
    Walker Rhea
    A "niche" is an organism's special "slot" in an ecosystem that allows it to co-exist with other species. It's defined by the resources it needs to survive and the impact it has on its environment.