Answer :
Cenozoic/neozoic
Further Explanation
Neozoic began in the Mesozoic era. Where there was a mass extinction that occurred in the dinosaurs 54.5 million years or the end of the last limestone period.
Neozoic is an age that has a style of life and characteristics that are different from other eras. You could say the Neozoic era is one of the prehistoric periods of the new era after the previous period occurred. At this time human life could be said to have arisen, were in some periods of this age human development was quite rapid coupled with the loss of large reptiles or dinosaurs that inhabited the earth millions of years ago.
When the Pleistocene lasted around 600,000 years ago. When the Pleistocene became very important because at this time ancient human life began to emerge. The natural condition at this time is still wild and unstable because of the alternation of two eras, namely the Glacial and the Interglacial.
The glacial era is the age of the widespread ice cover at the North Pole which caused the mainland regions of Europe and North America to be covered with ice, while areas far from the poles have been raining heavily for years. Sea levels have been accompanied by land rises in various places due to the shifting of the earth and the work of volcanoes so that many oceans, including in Indonesia, have become dry, so Sunda Plat and Suhul Plat have emerged.
The Interglacial Age is an era between two ice ages, temperatures rise so that the ice caps in the northern pole melt, resulting in rising sea levels and massive flooding in various places, this causes many lands to be separated by oceans and straits.
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Grade: High School
Subject: Biology
keywords: Cenozoic, neozoic, era.