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Taking a Look at the Tertiary Period

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“The Tertiary Period began 65 million years ago and ended just 1.8 million years ago. It was made up of 5 different epochs.” “Paleocene epoch that was 65 to 54 million years ago.” “ Eocene epoch that was 54 to 38 million years ago.” “ Oligocene epoch 38 to 24 million years ago.” “ Miocene epoch 24 to 5 million years ago.” “Pliocene epoch 5 to 1.8 million years ago.”

Tertiary is the third era. “During the Tertiary period placement of the continents were different than were they are located today.” “There were only the Pacific Ocean, Atlantic Ocean, and the Indian Ocean.” “ Continents were North America, Greenland, northern Europe, Asia, and Iberia.” Climate change from the beginning to end was very significant. “During the beginning the earth was warm and moist compared to the weather now.” By the middle of the period earth started to cool. This was cause by volcanoes that kept giving off carbon dioxide.” After a while by the end of this period it was so cold that the last ice age had started.” “However this had to be the most important time period for mammals.” “The time period before Tertiary which was the Cretaceous period.” “The Cretaceous period ended with the extinction of dinosaurs, large reptiles, and many different others.” “After all the extinction of the other animals mammals became the dominant species on Earth.” “This is why the Tertiary Period is called the age of mammals.” “There are to unusual mammals that we have researched on from this period that were
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