Rangeomorphs: How Some Of The Earliest Animals Lived And Died

Rangeomorphs were unlike any modern organism, which has made it difficult to determine how they fed, grew or reproduced, and therefore difficult to link them to any particular modern group. They looked like plants but evidence points to the fact that rangeomorphs were actually some of the earliest animals. Starting 541 million years ago, the conditions in the oceans changed quickly with the start of the Cambrian Explosion – a period of rapid evolution when most major animal groups first emerge in the fossil record and competition for nutrients increased dramatically. read more

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