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What shelled creatures developed in the Cambrian Period leaving behind excellent fossils?
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∙ 14y ago
Trilobite
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∙ 14y ago
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What is the difference between the Cambrian and preCambrian periods?
The difference between The differeence between the Cambrian and Pre-Cambrian is that the Cambrian fossils are ones of hard shell creatures because of thee evolved predators. The difference between Cambrian and Pre-Cambrian is that the Cambrian fossils are ones of hard shell creatures because of the evolved predators.rian fossils Cambrian and Pre-Cambrian is that the Cambrian fossils are ones of hard shell creatures because of the evolved predators.
Are orange sea pen endangered?
There is no information available which indicates that the sea pen is endangered. Fossils of relatives of these creatures date back to the Cambrian Age.
What is the time period era Cambrian where hard shelled fossils appeared?
Pre-cambrian
What geologic period has fossils of the most primitive lifeforms?
cambrian
When did large numbers of fossils first appear in the geologic record?
Large numbers of fossils begin to appear around 530 million years ago. It is called the Cambrian Explosion, because it occurred in the Cambrian period. The Cambrian period was the first part of the Paleozoic era.
Fossils of fish appeared approximately 500 mya during the?
Cambrian
What period contains the first fossils of land plants?
Cambrian period
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.
What lived in the Cambrian?
Some of the unusual animals that lived in the sea 500 million years ago thrived tens of millions of years later than previously known, a treasure trove of fossils in Morocco has revealed. The fossils prove that the famously bizarre creatures of the Cambrian (542 million to 488 million years ago) didn't die out at the end of that period - something that fossil hunters had suspected, but could not back up with evidence until now.
How was fossils developed?
== == == ==
When did presumed animal fossils first appear?
The presumed animal fossils first appeared during the Archaean Cambrian period. There is no clear indication why they appeared this late into history.
What two characteristics of early animals explain the scarcity of animal fossils older than the Cambrian Period?
The lorax ;)
