News tagged with ecology and evolution
Jellyfish joyride a threat to the oceans
Jun 08, 2009 |
3.9 / 5 (7) |
3
Early action could be crucial to addressing the problem of major increases in jellyfish numbers, which appears to be the result of human activities.
Siberian jays use complex communication to mob predators
Jun 08, 2009 |
5 / 5 (2) |
0
When mobbing predators, Siberian jays use over a dozen different calls to communicate the level of danger and predator category to other members of their own group. A Swedish study from Uppsala University, published in the ...
Move over, sponges: New evidence confirms Placozoans are the closest living surrogate to the ancestor of all animals
Biology /
Jan 27, 2009 |
4.8 / 5 (12) |
1
A new and comprehensive analysis confirms that the evolutionary relationships among animals are not as simple as previously thought. The traditional idea that animal evolution has followed a trajectory from ...
Search results for ecology and evolution
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
15 hours ago |
5 / 5 (1) |
0
Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Tuatara, the fastest evolving animal
Biology /
Mar 20, 2008 |
4.8 / 5 (12) |
1
In a study of New Zealand’s “living dinosaur” the tuatara, evolutionary biologist, and ancient DNA expert, Professor David Lambert and his team from the Allan Wilson Centre for Molecular Ecology and Evolution recovered DNA ...
Tuatara evolving faster than any other species
Biology /
Feb 29, 2008 |
4.1 / 5 (40) |
1
New DNA research has questioned previous notions about the evolution of the tuatara.
Researcher studies monkeys in Africa to better understand virus evolution
Medicine & Health / HIV & AIDS
Oct 07, 2009 |
not rated yet |
0
(PhysOrg.com) -- Despite the importance of AIDS in human health, scientists still know very little about the diversity and ecology of AIDS-like viruses in nature.
Study of flower color shows evolution in action
Jun 29, 2009 |
4.4 / 5 (5) |
3
Scientists at UC Santa Barbara have zeroed in on the genes responsible for changing flower color, an area of research that began with Gregor Mendel's studies of the garden pea in the 1850's.
A boy for every girl? Not even close
Sep 10, 2009 |
2.3 / 5 (3) |
0
In a perfect world, for every boy there would of course be a girl, but a new study shows that actual sex ratios can sometimes sway very far from that ideal. In fact, the male-to-female ratio of one tropical butterfly has ...
Hind wings help butterflies make swift turns to evade predators, study finds
Biology /
Jan 07, 2009 |
3 / 5 (1) |
0
(PhysOrg.com) -- New tires allow race cars to take tight turns at high speeds. Hind wings give moths and butterflies similar advantages: They are not necessary for basic flight but help these creatures take tight turns to ...
Is there really a 'mommy' gene in women?
Sep 21, 2007 |
3.3 / 5 (16) |
0
Basic principles of biology rather than women’s newfound economic independence can explain why fewer of them are getting married and having children, and why the trend may only be temporary, says a Queen’s researcher.
Fruit flies sick from mating
Biology /
Feb 19, 2009 |
not rated yet |
0
Mating can be exhausting. When fruit flies mate, the females' genes are activated to roughly the same extent as when an immune reaction starts. This is shown in a study at Uppsala University that is now appearing ...
Study questions 'cost of complexity' in evolution
Biology /
Mar 31, 2008 |
4.3 / 5 (6) |
0
Higher organisms do not have a “cost of complexity” — or slowdown in the evolution of complex traits — according to a report by researchers at Yale and Washington University in Nature.
List of search results for ecology and evolution
