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The Cambrian explosion is an apparently sudden increase in fossils marking the separation between Precambrian rocks and Cambrian rocks. At one time this was believed to mark the beginning of multicellular life, but in fact it only marks the evolution of hard body parts (most of which were made of calcium carbonate). It turns out that there were as many multicellular organisms in the late Precambrian as there were during the Cambrian explosion at the beginning of the Cambrian, but the lack of hard body parts in those organisms made the formation of easy to identify fossils of those organisms much rarer.

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Q: What is meant by term Cambrian explosion?
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Related questions

What era did the Ediacaran Fauna Live?

The Ediacarian fauna are from the Cambrian Explosion. The Cambrian Explosion occurred in the Cambrian period. The Cambrian period was part of the Paleozoic era.


What does the term Cambrian Explosion mean?

The sudden appearance of most of the major animal phyla within the fossils early in the Cambrian period. This caused a sudden diversification of life.


Explosion of life what period?

Cambrian.


Where can you see the evidence of the Cambrian explosion in the world?

Any time you see an animal. The Cambrian explosion was when the different kinds of animals developed - all the different animal phylums. So if you see an insect on a mammal you see the Cambrian explosion.


Why did the Cambrian explosion may not have been an explosion?

The term "Cambrian explosion" is a bit misleading because the diversification of early metazoans actually occurred over tens of millions of years, rather than a sudden event. Some scientists prefer to refer to it as the "Cambrian radiation" to better capture the gradual nature of the process. This prolonged period of diversification resulted in the emergence of a wide range of complex multicellular organisms.


What is the cambrain explosion?

life during the early Cambrian period


What what is the Cambrian explosion?

The sudden increase in invertebrate fossil diversity


The Cambrian period is also called the?

The Cambrian period is also called the "Cambrian explosion" due to the sudden appearance and diversification of many major animal groups.


After the Cambrian explosion what form of life evolved?

Single celled organisms.


What is Cambrian's Big bang?

I assume you are referring to the Cambrian Explosion... It was a period on Earth many millions of years ago after heavy bombardment from asteroids. A huge "explosion" of species and life came to form on Earth.


Was the Cambrian explosion a volcanic eruption?

No, the Cambrian explosion was not a volcanic eruption. It was a period of rapid diversification of multicellular lifeforms that occurred around 541 million years ago, marking the beginning of the Paleozoic era.


Why is the Cambrian Period called the Cambrian Explosion?

The Cambrian Period is called the Cambrian Explosion because it is characterized by a sudden increase in the diversity of multicellular life forms, including the appearance of many major groups of organisms. This period saw the rapid evolution and proliferation of complex marine life forms, marking a significant point in the history of life on Earth.