Anatomical and behavioral differences distinguish males and females in many extant and extinct animals. For instance, male peacocks have a large and flashy tail, whereas females are smaller and less brightly colored. Male ...
Plants & Animals
May 27, 2015
0
24
Bones of a previously unknown species prove to be one of the oldest seabirds.
Archaeology
Jan 31, 2014
0
0
Because of the large effects that humanity has on nature, species are already becoming extinct at rates never seen before due to increased farming, urbanization, and industrialization. Even protected natural areas of Västerbotten ...
Environment
Dec 10, 2013
0
0
(Phys.org) —Max Li, a University of Arizona doctoral student in the Department of Ecology and Evolutionary Biology, is studying mechanisms that determine how competing desert plants can coexist with each other and what ...
Ecology
Sep 25, 2013
1
0
Dams are believed to be one of the biggest threats to freshwater organisms worldwide: They disrupt normal patterns of water and sediment flow, impede migration, and alter the character of spawning and feeding grounds. A shortage ...
Ecology
May 10, 2012
0
0
(AP) -- Delegates from more than 190 nations kicked off a U.N. conference Monday aimed at ensuring the survival of diverse species and ecosystems threatened by pollution, exploitation and habitat encroachment.
Ecology
Oct 18, 2010
0
0
More than 90 countries have approved the creation of a scientific panel on biodiversity, the dream of many scientists around the world.
Ecology
Jun 13, 2010
0
0
Most scientists agree that a "mass extinction" event is underway on Earth, with species disappearing hundreds of time quicker under the influence of human activity.
Ecology
Apr 25, 2019
5
57
Americans' views of possible uses of genetic engineering in animals vary depending on the mechanism and intended purpose of the technology, particularly the extent to which it would bring health benefits to humans, according ...
Biotechnology
Aug 16, 2018
0
9
Scientists are closing in on the capacity to clone extinct species using biotechnology and DNA samples from the ancient past, a process that is called "de-extinction." The prospect of bringing back extinct species was discussed ...
Ecology
Mar 25, 2013
0
1
