What is the Cambrian explosion?The Cambrian Period:The Cambrian Period was a geologic period in the larger Paleozoic Era. In geologic time, it lasted around 55 million years, between the earlier Ediacaran Period and the later Ordovician Period....
If no substitution is required, select No improvement. Creatures began moving properly around 570 million years ago, shortly before the Cambrian explosion sparked the first vertebrates. (a) the Cambrian explosion when sparked the first vertebrates (b) No substitution required (c) the Cambrian ...
quite as deserted as was once believed. But the Cambrian's beginning marked such a radical shift in the planet's biology that the term "Cambrian explosion" is often used to describe it--for, in the course of perhaps 20m years, the world's fauna diversified from simple beginnings into some...
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What acid is found in gastric juice? What is the Cambrian explosion? What is benzoate of soda? Fermentation was discovered by whom? What did George Zweig discover in science? What is Ki in biochemistry? What is a catalyst in science?
An evolutionary burst 540 million years ago filled the seas with an astonishing diversity of animals. The trigger behind that revolution is finally coming into focus.
Around 542 million years ago theCambrian explosionoccurred. It is refereed to as an “explosion” because of the rapid evolution observed during this time that gave rise to a massive and diverse range of living organisms. Slightly before this time we see the first fossil evidence of theeye-lik...
This hypothesis has been termed the "Snowball Earth", and it is of particular interest as it precedes the Cambrian explosion in which multicellular life forms began to proliferate about 530–540 million years ago.[16] Since the Cambrian explosion there have been five distinctly identifiable mass ...
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Cambrian explosion of network applications and services that are still expanding to this day, blockchain networks are enabling a growing number of existing services to be provided in a more decentralized way, without reliance on central authorities or intermediaries. One market segment that is ...