Cenozoic era

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What are the periods of life on earth broken into? | Socratic Geological Time Scale, Elementary Earth Science, Earth Science Middle School, Earth Science Projects, Geologic Time Scale, Earth Science Activities, Educational Chart, Earth Science Lessons, Historical Nonfiction

Earliest cellular life on earth evolved about 3.5 billion years ago during precambrian time from protobionts/coacervates. Life then amazingly diversified through natural selection till recently. **Geological history of earth is studied by dividing it in eons, then further dividing eons in eras, era in periods, period in epochs. Life appeared in Archaeozoic eon. Multicellular life appeared during Proterozoic eon. Currently it is Phanerozoic eon, that started about 540 million years ago. The…

Geology Word of the Week: J is for Jurassic - Georneys - AGU Blogosphere Peabody Museum, History Of Earth, Dinosaur Wallpaper, All Dinosaurs, Animal Teeth, Dinosaur Pictures, Prehistoric World, Paleo Art, Dinosaur Art

An artist’s vision of Sauropods and Iguanodons during the late Jurassic. Image taken from Wikipedia Commons here. def. Jurassic: 1. A geologic period spanning from approximately 200 to 145 million years ago. 2. A cool adjective to use in everyday life to describe something or someone ancient and/or gargantuan. For example, “My Jurassic professor doesn’t even know how to use a computer. He does all of his lectures in chalk …

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