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Cretaceous Period Sierra Focke
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Published on Dec 10, 2015
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1.
Cretaceous Period Sierra Focke
79 Million Years Long and 66 Million Years Ago
2.
What was happening to the planet during this time?
The land on Earth was in two continents, with seaways separating them.
The land was shrinking because of floods. It covered 18% instead of the 28%
Pangea had already started to break apart in the Cretaceous Period.
3.
Climate
The climate during this time was hotter and more humid.
This might have been caused by volcanoes and seafloor spreading.
4.
Life
There were Dinosaurs, Fish, Marine Reptiles and Birds.
This time is known for the first sight of the flowering plant.
There were also Ferns, Cycads, and Conifers.
Early kinds of Grasshoppers, Ants, Butterflies, and Termites appeard.
5.
Mass extincton
The end of this period marked the end of the Dinosaurs.
The dinosaurs went extinct and some marine reptiles.
Some say it was a normal thing and they died before the asteroid hit earth
Sierra Focke
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