A team of ecologists and evolutionary biologists at the University of Lausanne, Switzerland, has found that some normally asexual species of stick insects, which are known to reproduce via parthenogenesis, occasionally mate ...
Predictions of the loss of animal and plant diversity around the world are common under models of future climate change. But a new study shows that because these climate models don't account for species competition and movement, ...
Ecology
Jan 4, 2012
6
0
An international team of researchers has used ancient DNA to produce compelling evidence that the lack of genetic diversity in modern stallions is the result of the domestication process.
Plants & Animals
Aug 23, 2011
0
1
What mechanisms control the generation and maintenance of biological diversity on the planet? It's a central question in evolutionary biology. For land-dwelling organisms such as insects and the flowers they pollinate, it's ...
Evolution
Aug 8, 2012
0
0
Mapping the distribution of life on Earth, from genes to species to ecosystems, is essential in informing conservation policies and protecting biodiversity. Researchers from the University of Copenhagen and the University ...
Plants & Animals
May 22, 2020
2
287
The vaquita porpoise, the world's smallest marine mammal, is on the brink of extinction, with 10 or fewer still living in Mexico's Gulf of California, their sole habitat. But a genetic analysis by a team of UCLA biologists ...
Plants & Animals
May 5, 2022
0
430
Taxonomy, the study of how living organisms relate to one another as species, has been around since the 1700s. Though scientists and philosophers have long debated what makes a species a species, taxonomists treat each species ...
Evolution
Mar 29, 2022
0
25
Anyone who has spent time in the tropics knows that the diversity of species found there is astounding and the abundance and diversity of ants, in particular, is unparalleled. Scientists have grappled for centuries to understand ...
Evolution
Apr 22, 2013
0
0
Investigators reporting in the Cell Press journal Trends in Genetics say that new analytical techniques are changing long-held, simplistic views about the evolutionary history of humans in Europe. Their findings indicate ...
Evolution
Aug 14, 2012
0
4
In the evolutionary arms race between rattlesnakes and their prey, rodents, birds and other reptiles develop resistance to the snakes' deadly venom to survive. But new research led by the University of Colorado Boulder and ...
Evolution
Jul 18, 2022
0
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