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The Precambrian Period lasted for about 4 billion years and ended about 600,000,000 years ago. It is the earliest geological period and is divided into the Archaeozoic and Proterozoic epochs. It was during this time that earliest forms of life were assumed to be just starting off on earth. The fossil record does not extend back that far, but it would be reasonable to assume that some basic plant life and single cell life forms did not evolve any further.
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Which era did the ediacaran live in?
The ediacaran fauna lived during Precambrian time and became extinct then, too. Nobody knows for sure why, but trilobites might have caused their disappearance.
Which era did the ediacaran fauna live?
The ediacaran fauna lived during Precambrian time and became extinct then, too. Nobody knows for sure why, but trilobites might have caused their disappearance.
What happened to many land and sea animals during Paleozoic era?
Many of the animals began to die off and became extinct.
What animals existed during the Precambrian Time?
jellyfish-like animals, sea pen, and bacteria.
What are some important events that happened during the 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.
When did the ediacaran fauna exist?
The Ediacaran fauna existed during the Ediacaran period, approximately 635 to 541 million years ago. This period was just before the Cambrian explosion, which marked the rapid diversification of multicellular life forms.
How did the hyenadon become extinct?
The hyenadon became extinct during the start of the Oligocene. There was a mas extinction event that was called Grande Coupure and causes temperatures to decline and killed many species of animals.
How did pteranodon become extinct?
A pteranodon is a pterosaur, or a flying dinosaur. During the fall of the dinosaurs, all dinosaurs became extinct, including the pterosaurs.
What are some events that happen during the precambrian era?
life arose and the atmosphere became enriched in oxygen
When were precambrian rocks formed?
During the precambrian.
When did the megatherium live?
the megatherium went extinct about 8,000 years ago
What plant is competely extinct in the Cenozoic Era?
Many of the forest plants became completely extinct in the Cenozoic Era. However, the plants that thrive today became rooted during this period.
