Earth’s Timeline: Geological Eras

Earth’s Timeline: Geological Eras

Tracing Ancient Earth, from Upheavals to Emergence.
Average68 % - Questions50
Writer red77  Category Nature   Science   Keywords The Earth 
Game creation: 2025-03-23 | Photo credit: Syclone | Photo credit (thumbnail): Syclone
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The Earth's timeline traces the vast timescales of our planet's history, divided into major geological eras. From the Precambrian to the current Cenozoic, each era has witnessed major events, such as the appearance of life, mass extinctions, and the evolution of continents. Understanding these periods sheds light on the history of Earth and life.

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  • What are the subdivisions of a geological period called?

    Age | Zone | Epoch | Cycle
  • Which epoch of the Quaternary, starting about 11,700 years ago, corresponds to the rise of human civilizations?

    Pleistocene | Eocene | Neogene | Holocene
  • In which period did fish appear, about 530 million years ago?

    Ordovician | Cambrian | Cretaceous | Triassic
  • How is a mass extinction defined in the context of geological time?

    A significant drop in biodiversity | All these answers | A global geographic distribution | A relatively short duration
  • In which period of the Cenozoic era do we currently live?

    Neogene | Paleogene | Quaternary | Tertiary

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