The Precambrian ended about 541 million years ago.
The Precambrian ended about 541 million years ago.
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About 540 million years ago.
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The appearance of complex, multicellular animals.
what major change in life forms occured at the end of precambrain time
Precambrian is BEFORE the Cambrian period!
In Precambrian times, a relative shortage of volcanoes resulted in low emissions of carbon dioxide. This contributed to low surface temperature, and a lot of glaciers towards the end of the period.
Animals without backbones, called invertebrates, developed near the end of the Precambrian. Imprints of jellyfish and marine worms have been found in late Precambrian rocks. Because invertebrates were soft, they weren't easily preserved as fossils. This is one of the reasons why the Precambrian fossil record is so sparse.
During the precambrian.
what major change in life forms occured at the end of precambrain time
**Precambrian**