Search Results

Showing 1-3 of 3 Resources
  • The Making of the Fittest

    The Making of the Fittest


    Each film takes students on an adventure—from the postglacial lakes in southern Alaska to the deserts of the American Southwest, and from the icy Antarctic to the highlands of East Africa, where...

  • The Origin of Species

    The Origin of Species


    Our planet has millions of species, including thousands of mammals, fish, birds, and reptiles, and even more butterflies, beetles, and other animals, each adapted to one of an enormous variety of...

  • Great Transitions

    Great Transitions


    Stunning fossil finds have revealed the fascinating stories of major transitions in the history of life on our planet—from fish that gained the land, to reptiles that took to the air, and primates...