0
What else can I help you with?
What years did the Precambrian era end?
Lady Gaga
When did the precambrian era end?
About 540 million years ago.
How did the atmosphere change before the end of the Precambrian Eon?
L
What marked the end of the Precambrian period?
The appearance of complex, multicellular animals.
What major changes life-forms occurred at the end of Precambrian time?
what major change in life forms occured at the end of precambrain time
What marks the end of the Precambrian Eon?
The end of the Precambrian Eon is marked by the beginning of the Phanerozoic Eon, approximately 541 million years ago. This transition is characterized by a significant increase in the diversity of multicellular life forms and the appearance of abundant fossils in the geological record.
What was the climate in precambrian time?
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.
What major change in life-form occurred at the end of the Precambrian time?
what major change in life forms occured at the end of precambrain time
What kind of animals developed near the end of first era?
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.
When were precambrian rocks formed?
During the precambrian.
What were the dominant animals in the preCambrian era?
The dominant organisms during the Precambrian include the proarticulatans, such as Dickinsonia, Yorgia, and Praecambridium which were a group of "air-mattress" organisms possibly related to modern day placozoans, rangeomorphs, such as Rangea, and Charnia, which were frond-shaped organisms that had bilateral to radial symmetries, and the trilobozoans, like Tribrachidium, which were disk-like organisms with a tri-radial symmetry, possibly related to cnidarians.The ancestral mollusk, Kimberellia, is found throughout Precambrian strata of the world.There were also sponges, and what have been interpreted as the polyps and medusae of cnidarians during the Precambrian, as well. Very primitive worms and arthropods appear at the very end of the Precambrian, as it transitions into the Cambrian period.
Historians know least about era do?
**Precambrian**
