The name Proterozoic combines two words of Greek origin: protero- meaning "former, earlier", and -zoic, meaning "of life".

Domein: en.wikipedia.org Bekijk meer

The Proterozoic Eon, meaning “earlier life,” is the eon of time after the Archean eon and ranges from 2.5 billion years old to 541 million years old.

Domein: geo.libretexts.org Bekijk meer

The meaning of PROTEROZOIC is of, relating to, or being the eon of geologic time or the corresponding segment of rocks that includes the interval between ...

Domein: merriam-webster.com Bekijk meer

During the Proterozoic the atmosphere and oceans changed significantly. Proterozoic rocks contain many definite traces of primitive life-forms—the fossil ...

Domein: britannica.com Bekijk meer

Proterozoic definition: the longest geologic eon and the most recent division of Precambrian time, during which the presence of oxygen in Earth's atmosphere ...

Domein: dictionary.com Bekijk meer

The period of Earth's history that began 2.5 billion years ago and ended 542.0 million years ago is known as the Proterozoic, which is subdivided into three ...

Domein: ucmp.berkeley.edu Bekijk meer

A major division of geologic time spanning from 2500 to 541 million years ago (MYA). The beginning of Proterozoic time is an arbitrary boundary that roughly ...

Domein: accessscience.com Bekijk meer

1. the later of two divisions of the Precambrian era, during which the earliest plants and animals are assumed to have lived. Compare Archaeozoic.

Domein: collinsdictionary.com Bekijk meer

The Proterozoic Eon is the most recent division of the Precambrian. It is also the longest geologic eon, beginning 2.5 billion years ago and ending 541 million ...

Domein: nps.gov Bekijk meer

How did the Proterozoic eon get its name? ... The name Proterozoic means 'earlier life". This name indicates that organisms in this eon were simpler and much ...

Domein: study.com Bekijk meer