archaeozoic
Noun
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The time from 3,800 million years to 2,500 million years ago;
Earth's crust formed;
Unicellular organisms are earliest forms of life (synset 115154172)part meronym: precambrian, precambrian aeon, precambrian eon, precambrian period - the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Adjective
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Of or belonging to earlier of two divisions of the Precambrian era (synset 300817820)
"archeozoic life forms"domain category: geology - a science that deals with the history of the earth as recorded in rockssimilar: early - at or near the beginning of a period of time or course of events or before the usual or expected timesynonym: archeozoic
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