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8. How did the environment of the Earth during your time period shape the forms of present life?

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8. How did the environment of the Earth during your time period shape the forms of present life?

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back then at the cretaceous period there were not as much divided continents than it is today, today we have lot of land that does not stick together with the rest like islands. today we have  europe, africa, asia, etc and we did not have that at the cretaceous period because at the cretaceouse period there were some continents split but there are more today. at this period there were a lot of marine animals that is instinct today. the cretaceous time period were really hot but as it is now it gets hotter now and we will, maybe, in the future have it as hot as it was at that period. now we have more oceans and we have a lot of inland seas that was created at that period.

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7. What do the fossil records say about your time period?

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7. What do the fossil records say about your time period?

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the fossils at this time period where of animals living under water like starfishes, fishes and other living things below the water. there were fossils of insects that lived under this period and I think that they looked similar to the insects that we have today. some of the marine animals looked really different from how they looked like today but sooner they would evolve to the marine animals we have today.  the oldest fossil was angiosperm fossil and it is the most similiar to the black pepper plant and it is 122 miljon years old.

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6. What were the apex predators during your time period?

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6. What were the apex predators during your time period?

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The dinosaurs that were apex predators during the cretaceous period was Iguanodon, Ankylosaurus, ceratopsians, Theropods and Tyrannosaurus rex. They were the apex predators until the end of cretaceous period.

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https://www.britannica.com/science/Cretaceous-Period , https://en.wikipedia.org/wiki/Cretaceous , https://www.livescience.com/29231-cretaceous-period.html , http://www.fossilmuseum.net/Paleobiology/Cretaceous-Fossils.htm ,

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Continents were breaking and soon being broken in to the continents we have now. There were more water on the earth at this period compared to how the continents looks like now, they are more spread out and the surface of earth doesn't consist as much water as it did during the cretaceous period. africa and south america today was broken from each other.

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4. what were the dominant species during this period? 

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4. what were the dominant species during this period? 

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The dinosaurs on land where the dominant gruop on land and especielly duck billed also known as hadrosaurs, shantungosaurus and dinosaurs with horns like triceratops.

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This was the las period of the mesozoic era and the longest period of the phanerozoic era. Under this period a lot of mammels and flowerplants and birds appeared. the biggest event that happened where  when many groups of species died out including the nonavian-dinosaurs, and large marine reptiles. The cretaceous ended and along with the mesozoic era with the massive instiktion called cretaceous-paleogene extinction event.

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the oceans grew wider and the sealevel increased, there were created many shallow inland seas that split two countries that we have today and the seas had all kinds of marine reptiles, ammonites and rudists that don't exist today. todays africa and south america were split apart, a crack was spreading on the earth's crust, called a rift, and that led to that the south america ocean was created. another rift that went on, on the east side of africa made the water go through africa and some piece of land that is today, madagascar and india.

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the world were warmer during the cretaceous period and the sea levels increased a lot, there were volcanos growing under the water that made the water level increase 100 liters more than it is today. this led to that many inland seas were created. the inland seas seperated todays united states and canada all the way to arctic ocean.

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Looks like you're off to an extremely slow start! Make sure you don't get behind!