The Cambrian Period was a time of remarkable diversification of life when many of the animal groups that exist today first appear in the fossil record. Ocean Portal / Smithsonian Institution The ...
The fossilized organisms of the Cambrian period some 500 million years ago are both alien and familiar. A few of them look a lot like the creatures around us today. But even some that don’t look at ...
For more than a century, the Cambrian explosion has served as biology’s big bang: the moment, roughly 538.8 million years ago, when complex animal body plans seemingly burst into the fossil record ...
Early animals formed complex ecological communities more than 550 million years ago, setting the evolutionary stage for the Cambrian explosion, according to a new study. Early animals formed complex ...
For most of the nearly 3.5 billion years of documented life on Earth, creatures were simple, dominated by organisms such as bacteria, algae and fungi (SN: 10/13/18, p. 10). Then, beginning about 541 ...
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Components of the newly-described Fezouata fauna. a, Demosponge Pirania auraeum b, Choiid demosponge c, Annelid worm d, Organism showing possible similarities to halkieriids e, Possible armoured ...
What does a music teacher do when he ends up teaching science? He teaches about evolution and the geologic timeline with music, of course, and that’s what Canadian elementary school teacher John ...
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