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The presence of stromatolites indicates that shallow seas covered much of Earth during intervals in this period. Nearly half of the valuable mineral deposits in the world occur in the rocks of this period.
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Geological Timescale
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Trilobites appear Shelled brachiopods
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There is very little plant life during this period. Colonies of tiny invertebrates call graptolites florished vertibrates apper, Fish did not have jaws or teeth and their bodies were covered with bony plates.
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Eurypterids (sea scorpions), sea stars and coral become more common. Vascular land plants and animals, such as scorpions begin to evolve on land
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Huge plants begin to develop, early amphibians form. Age of fishes, fish that can breath out of water and spend time on land form.
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Swamps and forest cover the land. Gian cockroaches appear.
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Coal deposits form. Early replies resembling large lizards appear.
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Appalachian Mountains are created because of the collision of tectonic plates and savannah form.
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Welcome to the world of the Dinosaur! Enter the squirrel sized dinosaur and the first forest dwelling mammals appear. Ichthyosaurs are living in the ocean, new invertebrates call ammonite develop.
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Whoa those dines are getting big and dominate the land - lizard hipped and bird-hipped appear - carnivores and herbivores have arrived.
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Whoa those dines are getting big and dominate the land - lizard hipped and bird-hipped appear - carnivores and herbivores have arrived.
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First flower plants appear - angiosperm
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First primates evolve. Small rodents evolve.
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Flying squirrels, whales and bat appear
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Himalayas develop due to uplifting caused by the Idian subcontinent and eurasian continents colliding. Many early mammal become extinct, clams and snails flourish.
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Mediterranean sea dries up and refills several times due to tectonic forces dn dropping sea levels
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Various species migrated between continents across land bridges. First modern hopes appear.
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Homosapien (modern humans) appeared and are humans Various species migrated between contents across land bridges.
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The last glacial period ended and sea levels rose, Great Lakes formed .
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Some scientists believe that humans kind has caused mass extinctions of plant and animal species, polluted the oceans and altered the atmosphere There is argument as to when this epoch began, some scientist think it began with the industrial age in the early1800s other think it began with the atomic age in 1950s