News tagged with diversification
Rapid burst of flowering plants set stage for other species
Other Sciences / Archaeology & Fossils
Feb 09, 2009 |
4.8 / 5 (5) |
0
A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of ...
Food choices and location influence California sea otter exposure to disease
Biology /
Jan 19, 2009 |
4 / 5 (1) |
0
Sea otters living along the central California coast risk higher exposure to disease-causing parasites as a consequence of the food they eat and where they feed.
Big-brained animals evolve faster
Biology /
Aug 15, 2008 |
4.4 / 5 (20) |
0
Ever since Darwin, evolutionary biologists have wondered why some lineages have diversified more than others. A classical explanation is that a higher rate of diversification reflects increased ecological ...
Search results for diversification
New model explains why we overestimate our future choices
Jul 17, 2008 |
3.8 / 5 (9) |
1
When people make choices for future consumption, they select a wider variety than when they plan to immediately consume the products. A new study in the Journal of Consumer Research examines the reasons behind this divers ...
The beetle's dilemma
Biology /
Jun 26, 2007 |
4 / 5 (1) |
0
Large jaws are efficient in crushing hard prey, whereas small jaws are functional in capturing elusive prey. Researchers have suggested that such trade-offs between “force” and “velocity” could cause evolutionary ...
'Great speciators' explained: It's intrinsic
Biology /
Jan 26, 2009 |
4.3 / 5 (3) |
0
New molecular research shows that birds within the family Zosteropidae—named white eyes for the feathers that frame their eyes—form new species at a faster rate than any other known bird. Remarkably, unlike ...
Ferns took to the trees and thrived
Jul 02, 2009 |
4.8 / 5 (5) |
0
(PhysOrg.com) -- As flowering plants like giant trees quickly rose to dominate plant communities during the Cretaceous period, the ferns that had preceded them hardly saw it as a disappointment.
The flash recovery of ammonoids after the most massive extinction of all time
Other Sciences / Archaeology & Fossils
Sep 02, 2009 |
3.2 / 5 (5) |
0
After the End-Permian extinction 252.6 million years ago, ammonoids diversified and recovered 10 to 30 times faster than previous estimates.
Ice Ages and rivers may have affected gorilla diversification
Biology /
Dec 10, 2007 |
4 / 5 (3) |
0
Geography and historical climate change may have both played a major role in gorilla evolutionary diversification, according to a new genetic study by Cardiff University and the University of New Orleans.
No need to thank dinosaur-killing asteroid for mammalian success
Biology /
Mar 28, 2007 |
4 / 5 (23) |
0
It is a natural history tale that every third grader knows: The dinosaurs ruled the Earth for hundreds of millions of years, until an asteroid struck the Yucatan Peninsula and triggered a mass extinction that allowed the ...
Flowering plants evolved very quickly into 5 groups
Biology /
Nov 26, 2007 |
4.4 / 5 (24) |
1
University of Florida and University of Texas at Austin scientists have shed light on what Charles Darwin called the “abominable mystery” of early plant evolution.
Study doubles species diversity of enigmatic 'flying lemurs'
Biology /
Nov 10, 2008 |
4.4 / 5 (5) |
0
Colugos (aka flying lemurs) -- the closest living relatives of primates most notable for their ability to glide from tree to tree over considerable distances—are more diverse than had previously been believed, according to ...
Two studies on bee evolution reveal surprises
Biology /
Dec 09, 2006 |
4.1 / 5 (20) |
0
The discovery of a 100-million-year old bee embedded in amber -- perhaps the oldest bee ever found -- "pushes the bee fossil record back about 35 million years," according to Bryan Danforth, Cornell associate professor of ...
List of search results for diversification
