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∙ 14y agoIt is unlikely that bees, as we know them today, were present in the Precambrian era. Bees, which are a type of insect, only evolved around 130 million years ago during the Cretaceous period. In the Precambrian era, which began around 4.6 billion years ago and ended around 541 million years ago, the Earth's early life forms were primarily simple, single-celled organisms.
Precambrian
Precambrian !!!
The divisions of the geologic time scale are divided into four eras. from earliest to closer to the present is the Precambrian, Paleozoic, Mesozoic, Cenozoic. During these time periods, there were several major evolutionary events. Most commonly known are the dinosaurs and humans. Hope that helped :)
The pre-Cambrian period which is a little over 630 million years ago. Before this era, there were no biota which leave a decent fossil impression - mainly soft-bodied forms. But see Ediacara in Wikipedia for more information.The earth by comparison is about 4.5 billion years since formation in roughly its present form. [So 630/4.5 000 ]
The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.
a qualiopticindofsaurus
The Precambrian Era. Basically, the only life present in Earth was that of single-celled bacteria.
Yes, the Precambrian era is the earliest part of Earth's history, spanning from about 4.6 billion years ago to 541 million years ago. It is followed by the Paleozoic era.
**Precambrian**
the Precambrian era
The Precambrian era was a geological period that spanned from about 4.6 billion years ago to around 541 million years ago. It encompasses the earliest part of Earth's history, including the formation of the planet and the evolution of life forms. The Precambrian era was followed by the Paleozoic era, which marked the beginning of complex life on Earth.
Seaweeds were not present in the Precambrian, The first plants were simple single celled algae or colonial varieties which formed stromatolites. There were no land plants.
The Cenozoic, which began 65 million years ago, and includes the present times.
The longest era in geologic time is the Precambrian era, which lasted from about 4.6 billion years ago to 541 million years ago. It encompasses about 90% of Earth's history and is divided into several eons, including the Hadean, Archean, and Proterozoic.
Precambrian Era
It is very empty and only single-celled organisms were present in the Precambrian era. No animals were living on land because of the poisonous gas in the air.
The Precambrian era is divided into three subdivisions: the Hadean, Archean, and Proterozoic eons. These subdivisions represent different stages in Earth's early history, from the formation of the planet to the evolution of complex life forms.