- Proterozoic (geological era 2500-540m years ago)
Generated definitions (experimental)
- geological era 2500-540 million years ago
This term refers to a specific geological time period known as the Proterozoic, which is significant in the study of Earth's history as it precedes the current geological era and is characterized by the formation of the planet's crust and the appearance of early life forms.
The Proterozoic is an important period in Earth's history.
During the Proterozoic, life began to appear in the oceans.
Generated collocations (experimental)
Yuán gǔ dài元古代dì céng地层Proterozoic strataYuán gǔ dài元古代shēng wù生物Proterozoic organismsYuán gǔ dài元古代yán shí岩石Proterozoic rocksYuán gǔ dài元古代shí qī时期Proterozoic periodYuán gǔ dài元古代shēng mìng生命Proterozoic lifeYuán gǔ dài元古代huán jìng环境Proterozoic environmentYuán gǔ dài元古代kē xué科学Proterozoic scienceYuán gǔ dài元古代yǎn huà演化Proterozoic evolutionYuán gǔ dài元古代dì zhì地质Proterozoic geologyYuán gǔ dài元古代qì hòu气候Proterozoic climateYuán gǔ dài元古代huà shí化石Proterozoic fossilsYuán gǔ dài元古代dài xiè代谢Proterozoic metabolism