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14# there is an arguments as to when this epoch began, some scientist think it began with the industrial age in the early 1800 other in the atomic age in the 1950
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geological timescale
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22# trilobites
23# shelled brachiopods appear -
1# there is very little plant life during this period
30# colonies of tiny invertebrates call graptolites flourished and vertebrates appear......... -
24# eurypterids ( sea scorpions) sea stars and coral became more common
33# vascular land plants and animals, such scorpions ........ -
31 huge plants being develop
37 age of fishes, breath air out of water -
2 swamps and forest
4 giant cockroaches
15 coal deposits
21 reptiles resembling large lizards -
10 shallows seas covered much of the earth during intervals in this period
38 environmental change cause mass extinction in trilobites -
16: welcome to the world dinosaur size of squirrel in forest the dwelling
34: new invertebrates call ammonite developed -
3: flying reptiles call pterosaurs
13: dinos are getting bigger and dominate the land-exist liards-hipped and birds-hipped -
5: first flowering plants appeared
35: dinousaur mass extinction -
27 early mammals become extinct
29: smaller rotates evolved -
17: flying squirrels whales and bats
25: temperature dropped about 4 degrees celsius -
6: himalayas developed due to uplifting cause by indian subcontinent
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36: meditenarian sees dries up due to tectonic forsesa
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18: various species migrate between continents
26: first horses appered -
20: species did not evolved to survived in cold and warmer climates
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19: the last glacial period and sea levels roas
28: human developed agriculture