Evolution may take giant leaps

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in the environment.

Jack-of-all-trades slows down evolutionary tree

All living organisms are tips of an evolutionary tree that emerged over 3.5 billion years from a single common ancestor. Research in the Department of Bionanoscience at Delft University of Technology has provided the first ...

What Killed the Dinosaurs?

Dinosaurs roamed the Earth for 135 million years. Filling every ecological niche, from the oceans, forests and plains; even the skies.

A mechanism of how biodiversity arises

A new study of how biodiversity arises, by evolutionary biologists at the University of Massachusetts Amherst, shows how a mutation in a single gene during development can lead to different consequences not only in how animals' ...

Egg-laying beginning of the end for dinosaurs

Their reproductive strategy spelled the beginning of the end: The fact that dinosaurs laid eggs put them at a considerable disadvantage compared to viviparous mammals. Together with colleagues from the Zoological Society ...

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