News tagged with cambrian period
Research team finds new explanation for Cambrian explosion
(PhysOrg.com) -- For hundreds of years, researchers from many branches of science have sought to explain the veritable explosion in diversity in animal organisms that started approximately 541 million years ...
Space & Earth / Earth Sciences
Nov 29, 2011 |
4.8 / 5 (20) |
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Researchers track half-billion year old predator
Researchers from the University of Saskatchewan and Royal Ontario Museum (ROM) have followed fossilized footprints to a multi-legged predator that ruled the seas of the Cambrian period about half a billion ...
Other Sciences / Archaeology & Fossils
Nov 09, 2011 |
5 / 5 (4) |
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Fossil of giant ancient sea predator discovered (w/ video)
Paleontologists have discovered that a group of remarkable ancient sea creatures existed for much longer and grew to much larger sizes than previously thought, thanks to extraordinarily well-preserved fossils ...
Other Sciences / Archaeology & Fossils
May 25, 2011 |
4.7 / 5 (16) |
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Plankton key to origin of Earth's first breathable atmosphere
Researchers studying the origin of Earth's first breathable atmosphere have zeroed in on the major role played by some very unassuming creatures: plankton.
Space & Earth / Earth Sciences
Feb 21, 2011 |
4 / 5 (5) |
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Oxygen's challenge to early life
The conventional view of the history of the Earth is that the oceans became oxygen-rich to approximately the degree they are today in the Late Ediacaran Period (about 600 million years ago) after staying relatively ...
Space & Earth / Earth Sciences
Jan 05, 2011 |
4.4 / 5 (15) |
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Discovery rekindles debate on origins of multi-cellular life
A recent discovery by a University of Florida geologist may lend support to the theory that one of the defining moments of evolution may not have occurred as currently thought.
Dec 22, 2010 |
4.3 / 5 (13) |
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Scientists decipher 3 billion-year-old genomic fossils
(PhysOrg.com) -- About 580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, a period defined by the birth of new life forms over many millions of years that ultimately ...
Dec 19, 2010 |
4.8 / 5 (24) |
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Fossil record receives new timeline
Beginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time that it is often referred to as the ...
Space & Earth / Earth Sciences
Nov 10, 2010 |
4.3 / 5 (9) |
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The origin of animals and disease found on The Great Barrier Reef
(PhysOrg.com) -- Professor Bernard Degnan from University of Queensland's School of Biological Sciences has led an international team of scientists to sequence the genome of the first marine animal from Australian ...
Aug 04, 2010 |
4.8 / 5 (6) |
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Biologists find that red-blooded vertebrates evolved twice, independently
(PhysOrg.com) -- Nature, in all its glory, is nothing if not thrifty.
Jul 27, 2010 |
4.8 / 5 (33) |
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Scientists prove all major animal groups with internal, external skeletons appeared in the Cambrian period
(PhysOrg.com) -- New York State Paleontologist Dr. Ed Landing is the lead author of an article published in the June issue of Geology that provides the first definitive proof that all major animal groups with internal and ex ...
Other Sciences / Archaeology & Fossils
Jul 07, 2010 |
4.6 / 5 (5) |
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Fossils show earliest animal trails
(PhysOrg.com) -- Trails found in rocks dating back 565 million years are thought to be the earliest evidence of animal locomotion ever found, Oxford University scientists report.
Other Sciences / Archaeology & Fossils
Feb 04, 2010 |
5 / 5 (9) |
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Explosive growth of life on Earth fueled by early greening of planet
Earth's 4.5-billion-year history is filled with several turning points when temperatures changed dramatically, asteroids bombarded the planet and life forms came and disappeared. But one of the biggest moments ...
Space & Earth / Earth Sciences
Jul 08, 2009 |
4.7 / 5 (10) |
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Origin of claws seen in 390-million-year-old fossil
A missing link in the evolution of the front claw of living scorpions and horseshoe crabs was identified with the discovery of a 390 million-year-old fossil by researchers at Yale and the University of Bonn, ...
Other Sciences / Archaeology & Fossils
Feb 05, 2009 |
4.5 / 5 (10) |
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