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This presentation was Not made to offend someone Please excuse us if you feel bad. Thank you . We hope you enjoy it and learn from it . ANIMALS OF THE CENOZOIC ERA!. TIME PERIOD . TIME PERIOD. 65 Million Years to the Present. shortest era. Starts from the end of the Cretaceous. - PowerPoint PPT PresentationTRANSCRIPT
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This presentation was Not made to offend
someonePlease excuse us if you feel bad. Thank you. We
hope you enjoy it and learn from it.
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ANIMALS OF THE CENOZOIC ERA!
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TIME PERIOD
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TIME PERIOD☻ 65 Million Years to the Present
☻ Starts from the end of the Cretaceous.
♫ and the extinction of non-avian dinosaurs to the present.
♫ shortest era
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Where fossils were located?
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NAMES FOR THIS ERA☻ Age of
mammals☻ Age of flowering
plants☻ Age of Insects☻ Age of birds
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PALEOGENE PERIOD☻ Climates changed from
warm and moist to cool and dry.
☻ Some pants developed flowers and insects expanded.
☻ Some large mammals evolved and the first whales evolved.
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Neogene period ☻ The Neogene
Period began about 24 million years ago
☻ Connections between continents where created.
☻ The continents collided and found modern mountains chains
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Consequences ☻ The
mountains changed environment so animals had to change to adapt.☻ Continents positions changed ocean currents which changed the weather.☻ Connections between continents caused land animals migrations.
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Quaternary Period ☻ During the
quaternary period the positions of the continents were much the same as they are today
☻ Various ice ages that come and go.
Between 6 and 7 million years ago
a group of mammals began
an adaptive radiation that will lead to modern
humans.
There was so much frozen
water that sea level fell
over 100 meters
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The age of humans☻The first homo sapiens occurred around 190,000 year in Africa.
☻As the brain got bigger, and we became smarter migrations to other continents occurred.
☻The low seas permitted easier migrations to continents.
☻Some scientists have concluded that the big mammals of the quaternary age disappeared because the hunting methods of humans.
☻During ice ages humans migrated to equator looking for warmer land , but as glairs melted they returned to the north.
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Some facts☻ If earth history was compressed in one hour,
flowers will only exist for the last 90 seconds., and humans for the last 7 seconds.
☻Some birds where 7 feet tall.
☻Which was the biggest mammal ever? ♫Indricotherium
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Bibliography
☻http://eonsepochsetc.com/Cenozoic/Neogene/Neogene_home.html
☻http://www.fossils-facts-and-finds.com/quaternary_period.html
☻Miller and Levine Biology textbook, 2010, web page www.biology.com