Page 172 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)
P. 172

A new world








                                                         The dawn redwood is almost
                                                       identical to conifers that lived 150   Dawn redwood leaves
       The rise of mammals                         Butterfly fossil
                                                       million years ago, which provided
                                                             food for giant dinosaurs.












                      This nectar-feeding butterfly
                      was found fossilized in rocks more
                      than 50 million years old.






                                                                                                       Seeds are
                                                                                                       contained in
                                                                                  Plane tree leaf fossil
                                                                                                       scaly cones.
                                                      Still thriving today, magnolia
                                                      flowers first blossomed more than
                                                      130 million years ago.



                                                                 Many fossilized
                                                                   leaves are like
                                                                     living ones.






                            Magnolia








            About 20 million years ago,
            this bee was sipping nectar and
               carrying pollen just like a
                   modern honeybee.
                                                   Bee fossil


           During most of the Mesozoic age of                   140 million years ago. Most of their flowers were
           dinosaurs there were no colorful, fragrant           small and pollinated by the wind, like grass
           flowers to attract insects. The plant world          flowers. But by about 100 million years ago
           was dominated by the green leaves of ferns,          many had big, vibrant flowers like those of early
           palmlike cycads, and conifer trees. The earliest     magnolias and Archaeanthus, and by the time
    170    known flowering plants date from about               the dinosaurs were wiped out, the world had





   US_170-171_A_new_world.indd   170                                                                             10/04/18   3:35 PM
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