News tagged with land vertebrates
Researchers pinpoint date and rate of Earth's most extreme extinction
It's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the extinctions occurred. A team of researchers from North America ...
Space & Earth / Earth Sciences
Nov 17, 2011 |
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How the mole got its 12 fingers
Polydactyly is a hereditary anomaly that is relatively common in both humans and animals. Moles also have additional fingers. In their case, however, the irregularity compared to the five-finger formula of ...
Jul 14, 2011 |
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New species of Nannocricetus found in Damiao of Nei Mongol
Dr. Zhang Zhao-Qun, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, and his colleagues, recently described a new cricetid species of Late Miocene, Nannocricetus wuae, ...
Other Sciences / Archaeology & Fossils
Jun 10, 2011 |
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Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates
Cartoon depictions of the first animals to emerge from the ocean and walk on land often show a simple fish with feet, venturing from water to land. But according to Jennifer Clack, a paleontologist at the ...
Other Sciences / Archaeology & Fossils
Jul 06, 2009 |
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Search results for land vertebrates
Mouse to elephant? Just wait 24 million generations
Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.
Jan 30, 2012 |
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Whale fossils show important characters of the transition to water
(PhysOrg.com) -- Decorative stone is often used in buildings for its strength and durability but is not often thought of as a hiding place for fossils. If not for an observant Italian stonecutter, a recently ...
Other Sciences / Archaeology & Fossils
Nov 08, 2011 |
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Land animals, ecosystems walloped after Permian dieoff
The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ...
Space & Earth / Earth Sciences
Oct 26, 2011 |
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96 percent of vertebrates -- including humans -- descended from ancestor with sixth sense
(PhysOrg.com) -- People experience the world through five senses but sharks, paddlefishes and certain other aquatic vertebrates have a sixth sense: They can detect weak electrical fields in the water and use ...
Oct 11, 2011 |
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Giant kraken lair discovered
Long before whales, the oceans of Earth were roamed by a very different kind of air-breathing leviathan. Snaggle-toothed ichthyosaurs larger than school buses swam at the top of the Triassic Period ocean food ...
Space & Earth / Earth Sciences
Oct 10, 2011 |
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Fish jump into picture of evolutionary land invasion
(PhysOrg.com) -- Research sometimes means looking for one thing and finding another. Such was the case when biology professor Alice Gibb and her research team at Northern Arizona University witnessed a small ...
Oct 06, 2011 |
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Lungfish provides insight to life on land
A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...
Oct 04, 2011 |
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Study names new ancient crocodile relative from the land of Titanoboa
Did an ancient crocodile relative give the world's largest snake a run for its money?
Other Sciences / Archaeology & Fossils
Sep 15, 2011 |
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Teeny teeth indicate ancient shark nurseries
Fuelled by Hollywood and its vision of Jaws, sharks conjure images of fearsome predators patrolling our seas in search of their next unfortunate victim. It is therefore hard to imagine sharks as relatively ...
Other Sciences / Archaeology & Fossils
Sep 13, 2011 |
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Non-native earthworms are damaging hardwood forests
Think of earthworms and a few things come to mind: they make great bait for fishing, they aerate the soil, and they're an excellent addition to a compost pile. But what a lot of people don't know is many earthworms are actually ...
Sep 13, 2011 |
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List of search results for land vertebrates
