News tagged with diversity
Related topics: species
Female mate choice enhances offspring fitness in an annual herb
In many organisms females directly or indirectly select mates (or sperm) and potentially influence the fitness of their offspring. Mate choice and sexual selection in plants is more complex in some ways than ...
Jun 27, 2011 |
not rated yet |
0
Tasmanian devil's genome sequenced
A revolutionary species-preservation approach based on whole-genome analyses of two Tasmanian devils -- one that had died of a contagious cancer known as Devil Facial Tumor Disease (DFTD) and one healthy animal ...
Jun 27, 2011 |
4.8 / 5 (5) |
4
|
The mechanics of speciation
Mate choice, competition, and the variety of resources available are the key factors influencing how a species evolves into separate species, according to a new mathematical model that integrates all three factors to reveal ...
Jun 24, 2011 |
not rated yet |
2
Birds' eye view is far more colorful than our own
The brilliant colors of birds have inspired poets and nature lovers, but researchers at Yale University and the University of Cambridge say these existing hues represent only a fraction of what birds are capable ...
Jun 23, 2011 |
4.2 / 5 (5) |
3
|
Scientist cites enlarged skeletal muscles as reason birds exist
A developmental biologist at New York Medical College is proposing a new theory of the origin of birds, which traditionally has been thought to be driven by the evolution of flight. Instead, Stuart A. Newman, Ph.D., credits ...
Jun 22, 2011 |
5 / 5 (3) |
3
|
Significant litter of cheetah cubs born at Smithsonian Conservation Biology Institute
Five cheetah cubs were born May 28 to 6-year-old Amani at the Smithsonian Conservation Biology Institute in Front Royal, Va. Amani is a dedicated mother according to keepers, who have observed her nursing ...
Jun 11, 2011 |
not rated yet |
0
Meteorite holds clues to organic chemistry of the early Earth: study
(PhysOrg.com) -- Carbonaceous chondrites are a type of organic-rich meteorite that contain samples of the materials that took part in the creation of our planets nearly 4.6 billion years ago, including materials ...
Space & Earth / Space Exploration
Jun 09, 2011 |
4.7 / 5 (6) |
1
|
Saving wildlife with forensic genetics
Wildlife face many threats with spreading urbanization, including habitat loss and inbreeding when populations become fragmented and isolated. It doesn't help that there is a billion-dollar international industry ...
Jun 08, 2011 |
not rated yet |
0
The same type of forest is good for both birds and people
Birds and people both enjoy urban woodlands that have been cleared to just the right degree. This is the conclusion of scientists at the University of Gothenburg who have carried out large-scale field experiments ...
Jun 08, 2011 |
not rated yet |
0
Fossil find gives hope for animal life in 'lost cities'
(PhysOrg.com) -- The world's oceans could be littered with thousands of undiscovered 'lost cities' housing communities of creatures that thrive in some of the Earth's most extreme conditions, a new discovery ...
Space & Earth / Earth Sciences
Jun 07, 2011 |
5 / 5 (2) |
0
|
Study: Eastern wolves are hybrids with coyotes
Wolves in the eastern United States are hybrids of gray wolves and coyotes, while the region's coyotes actually are wolf-coyote-dog hybrids, according to a new genetic study that is adding fuel to a longstanding ...
May 31, 2011 |
4.8 / 5 (4) |
0
UN aims for biodiversity treaty by July 2012
A global treaty on the harvesting of genetic resources will probably be ratified by July 2012, the UN executive secretary on biological diversity said Tuesday.
May 31, 2011 |
5 / 5 (1) |
0
Amphibian disease risk higher in undisturbed habitats
Amphibians may be more susceptible to disease in undisturbed natural habitats, a study in this week's issue of PNAS finds.
May 30, 2011 |
not rated yet |
0
Wildlife in trouble from oil palm plantations, according to scientists
(PhysOrg.com) -- Forest fragmentation driven by demand for palm oil is having a catastrophic effect on multiple levels of biodiversity, scientists from Queen Mary, University of London have discovered.
May 20, 2011 |
5 / 5 (1) |
0
New study aims to help preserve plants, animals caught between forest 'fragments'
Maintaining the world's threatened animal and plant species may rest with something as simple as knowing how far a bird can fly before it must answer nature's call.
May 18, 2011 |
not rated yet |
0
