Evolutionary biology
hideEvolutionary biology is a sub-field of biology concerned with the origin of species from a common descent and descent of species, as well as their change, multiplication and diversity over time. Someone who studies evolutionary biology is known as an evolutionary biologist.
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News tagged with evolutionary biology
New insights into the physiology of cockroaches
Nov 13, 2009 |
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A study by scientists from the University of Valencia sheds new light on how the cockroach organism works. A research team from the Cavanilles Institute for Biodiversity and Evolutionary Biology, led by professors Amparo ...
Studies show marine reserves can be an effective tool for managing fisheries
Nov 09, 2009 |
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Studies conducted in California and elsewhere provide support for the use of marine reserves as a tool for managing fisheries and protecting marine habitats, according to biologists at the University of California, Santa ...
What is the meaning of 'one'? Evolutionary biologists argue for new meaning of 'organismality'
Nov 09, 2009 |
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Rice University evolutionary biologists David Queller and Joan Strassmann argue in a new paper that high cooperation and low conflict between components, from the genetic level on up, give a living thing its "organismality," ...
Mom was right: Why nice guys usually get the girls
Nov 05, 2009 |
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(PhysOrg.com) -- Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen ...
Notorious 'man-eating' lions of Tsavo likely ate about 35 people -- not 135, scientists say
Other Sciences / Archaeology & Fossils
Nov 02, 2009 |
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The legendary "man-eating lions of Tsavo" that terrorized a railroad camp in Kenya more than a century ago likely consumed about 35 people--far fewer than popular estimates of 135 victims, according to a new ...
Why do animals, especially males, have so many different colors?
Oct 31, 2009 |
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(PhysOrg.com) -- In new research, UCLA scientists claim that "secondary sexual traits" like coloring may let animals know which species to avoid fighting.
Venomous bite: Harmless digestive enzyme evolved into venom in two species
Oct 29, 2009 |
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(PhysOrg.com) -- Biologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species -- a shrew and a lizard -- giving each a venomous ...
Trees facilitate wildfires as a way to protect their habitat
Oct 28, 2009 |
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Fire is often thought of something that trees should be protected from, but a new study suggests that some trees may themselves contribute to the likelihood of wildfires in order to promote their own abundance ...
When ants attack: Researchers recreate chemicals that trigger aggression
Oct 27, 2009 |
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(PhysOrg.com) -- Experiments led by researchers at the University of California, Berkeley, have demonstrated that normally friendly ants can turn against each other by exploiting the chemical cues they use ...
Nepotism has its benefits when it comes to survival
Oct 26, 2009 |
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While nepotism may have negative connotations in politics and the workplace, being surrounded by your relatives does lead to better group dynamics and more cooperation in some animals. That certainly seems ...
Color differences within and between species have common genetic origin
Oct 22, 2009 |
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(PhysOrg.com) -- Spend a little time people-watching at the beach and you're bound to notice differences in the amount, thickness and color of people's body hair. Then head to the zoo and compare people to chimps, our closest ...
Why sex with a partner is better (w/ Video)
Oct 21, 2009 |
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(PhysOrg.com) -- OK, it takes two for human reproduction, and now it seems that plants and animals that can rely on either a partner or go alone by self-fertilization give their offspring a better chance for ...
The first men and women from the Canary Islands were Berbers
Oct 21, 2009 |
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A team of Spanish and Portuguese researchers has carried out molecular genetic analysis of the Y chromosome (transmitted only by males) of the aboriginal population of the Canary Islands to determine their ...
Being a standout has its benefits, study shows
Oct 15, 2009 |
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Standing out in a crowd is better than blending in, at least if you're a paper wasp in a colony where fights between nest-mates determine social status.
When Being a Cuckold Makes Evolutionary Sense
Oct 09, 2009 |
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(PhysOrg.com) -- Evolutionary biology theory predicts that males usually won't invest a lot of time raising offspring when there is a good chance they are not the fathers. Yale University researchers have ...
