Scientists are rethinking a major milestone in animal evolution, after gaining fresh insights into how life on Earth diversified millions of years ago.
Evolution
Mar 11, 2019
0
162
A new study has revealed that gills originated much deeper in evolutionary history than previously believed. The findings support the idea that gills evolved before the last common ancestor of all vertebrates, helping facilitate ...
Archaeology
Feb 9, 2017
0
234
A New York Medical College developmental biologist whose life's work has supported the theory of evolution has developed a concept that dramatically alters one of its basic assumptions—that survival is based on a change's ...
Evolution
Oct 11, 2012
8
0
The fossil group called the Ediacaran biota have been troubling researchers for a long time. How do these peculiar organisms relate to modern organisms? In a new study, published in Biological Reviews, researchers from Sweden ...
Archaeology
Dec 7, 2015
0
236
(PhysOrg.com) -- Pterosaurs, flying reptiles from the time of the dinosaurs, were not driven to extinction by the birds, but in fact they continued to diversify and innovate for millions of years afterwards.
Archaeology
Jul 6, 2011
7
0
The last ancestor we shared with worms, which roamed the seas around 600 million years ago, may already have had a sophisticated brain that released hormones into the blood and was connected to various sensory organs. The ...
Biotechnology
Feb 1, 2010
0
0
A trio of evolutionary biologists, two with Carleton University, the other with Seoul National University, has apparently solved the paradox of aposematism—how animals managed to evolve with bright colors to warn predators ...
A team of researchers has captured images of green alga consuming bacteria, offering a glimpse at how early organisms dating back more than 1 billion years may have acquired free-living photosynthetic cells. This acquisition ...
Cell & Microbiology
May 23, 2013
0
0
The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.
Plants & Animals
May 16, 2012
1
0
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 oxygen-poor ...
Earth Sciences
Jan 5, 2011
10
0
