News tagged with evolutionary relationship
Fungi shifted plant balance of power
Cooperating with fungi didn't just help the earliest plants spread across a barren, rocky landscape; it also played a decisive role in the rise of more complex plants with roots and leaves that make up most ...
May 24, 2012 |
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Escalating arms race: Predatory sea urchins drive evolution
(Phys.org) -- Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in ...
Apr 17, 2012 |
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A new take on the games people play in their relationships
Human nature has deep evolutionary roots and is manifested in relationships with family members, friends, romantic and business partners, competitors, and strangers more than in any other aspects of behavior or intellectual ...
Mar 21, 2012 |
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Linear sequences for seed plants
Scientists have been working out the best way to arrange plant specimens in herbaria and other collections so that their order best reflects evolutionary relationships.
Dec 21, 2011 |
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Genome tree of life is largest yet for seed plants
Scientists at the American Museum of Natural History, Cold Spring Harbor Laboratory, The New York Botanical Garden, and New York University have created the largest genome-based tree of life for seed plants ...
Dec 15, 2011 |
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140 new species described by California Academy of Sciences in 2011
In 2011, researchers at the California Academy of Sciences added 140 new relatives to our family tree. The new species include 72 arthropods, 31 sea slugs, 13 fishes, 11 plants, nine sponges, three corals, ...
Dec 15, 2011 |
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Butterflies: 'Twice-punished' by habitat fragmentation and climate change
New findings by Virginie Stevens (CNRS), Jean Clobert (CNRS), Michel Baguette (Museum National d'Histoire Naturelle) and colleagues show that interactions between dispersal and life-histories are complex, ...
Dec 09, 2011 |
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A hitchhiker's guide to the Galapagos: co-evolution of Galapagos mockingbirds and their parasites
Along with the famous finches the Galapagos mockingbirds had a great influence on Charles Darwin's theory of evolution. Now, 176 years later, three of the four mockingbird species are among the rarest birds ...
Oct 03, 2011 |
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Unknown ocean bacteria create entirely new theories
The earth's most successful bacteria are found in the oceans and belong to the group SAR11. In a new study, researchers from Uppsala University provide an explanation for their success and at the same time call into question ...
Sep 16, 2011 |
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Like humans, chimps are born with immature forebrains
In both chimpanzees and humans, portions of the brain that are critical for complex cognitive functions, including decision-making, self-awareness and creativity, are immature at birth. But there are important differences, ...
Aug 11, 2011 |
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Researchers tap yeasts as source of 'green' surfactants
Surfactants, which are wetting agents that lower a liquid's surface tension, have a long list of uses, from detergents and cosmetics to paints and pesticides. Most surfactants are petroleum-based. But in Peoria, Ill., a team ...
Jul 28, 2011 |
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New discovery places turtles next to lizards on family tree
(PhysOrg.com) -- Where do turtles belong on the evolutionary tree? For decades, the mystery has proven as tough to crack as the creatures' shells. With their body armor and retractable heads, turtles are such ...
Jul 20, 2011 |
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Study sheds light on tunicate evolution
(PhysOrg.com) -- Woods Hole Oceanographic Institution (WHOI) researchers have filled an important gap in the study of tunicate evolution by genetically sequencing 40 new specimens of thaliaceans, gelatinous, ...
Jul 01, 2011 |
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Fungus farming ant genome reveals insight into adaptation of social behavior
The development of agriculture was a significant event in human cultural evolution, but we are not the only organisms to have adopted an agricultural way of life. In a study published online today in Genome Re ...
Jun 29, 2011 |
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Lizard fossil provides missing link in debate over snake origins
(PhysOrg.com) -- Until a recent discovery, theories about the origins and evolutionary relationships of snakes barely had a leg to stand on.
May 18, 2011 |
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