News tagged with ancestral species
Study shows species can change
A study of South American songbirds completed by the Department of Biology at Queen's University and the Argentine Museum of Natural History, has discovered these birds differ dramatically in colour and song yet show very ...
Dec 08, 2011 |
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Nature's gift for gardening may hold key to biodiversity
Gardeners are used to cross-breeding flowers to produce pretty petals or sweet scents - now scientists have shown the importance of nature's talent for producing new types of flowers.
Sep 13, 2010 |
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Reversing ecology reveals ancient environments
From hair color to the ancestral line of parasitic bacteria, scientists can glean a lot from genes. But imagine if genes also revealed where you lived or who you spent time with. It turns out they do, if you know where and ...
Biology /
Feb 25, 2009 |
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Did increased gene duplication set the stage for human evolution?
(PhysOrg.com) -- Roughly 10 million years ago, a major genetic change occurred in a common ancestor of gorillas, chimpanzees, and humans. Segments of DNA in its genome began to form duplicate copies at a greater ...
Biology /
Feb 11, 2009 |
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Search results for ancestral species
Human-like spine morphology found in aquatic eel fossil
For decades, scientists believed that a spine with multiple segments was an exclusive feature of land-dwelling animals. But the discovery of the same anatomical feature in a 345-million-year-old eel suggests ...
May 23, 2012 |
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Newly discovered sensory organ in the chin of baleen whales allows them to be world's largest hunters
Lunge feeding in rorqual whales (a group that includes blue, humpback and fin whales) is unique among mammals, but details of how it works have remained elusive. Now, scientists from the Smithsonian Institution ...
May 23, 2012 |
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Hitting snooze on the molecular clock: Rabies evolves slower in hibernating bats
The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to researchers at the University of Georgia, the U.S. Centers for Disease Control and Prevention and ...
May 18, 2012 |
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Genes underlying the key domestication process in sorghum and other cereals
A study by a team of university and government scientists led by a Kansas State University researcher, indicates that genes responsible for seed shattering -- the process by which grasses disseminate their seeds -- were under ...
May 14, 2012 |
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Earth history and evolution
In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...
May 03, 2012 |
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Orangutans harbor ancient primate Alu
Alu elements infiltrated the ancestral primate genome about 65 million years ago. Once gained an Alu element is rarely lost so comparison of Alu between species can be used to map primate evolution and diversity. New research ...
Apr 30, 2012 |
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Diversity aided mammals' survival over deep time
When it comes to adapting to climate change, diversity is the mammal's best defense.
Apr 23, 2012 |
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Slow snails, fast genes: Predatory snails refine venoms through continuous gene duplication
(Phys.org) -- When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.
Apr 10, 2012 |
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The Viking journey of mice and men
House mice (Mus musculus) happily live wherever there are humans. When populations of humans migrate the mice often travel with them. New research published in BioMed Central's open access journal BMC Evolutionary Biology h ...
Mar 19, 2012 |
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MRSA in livestock acquired drug resistance on the farm, now infects humans
Researchers have discovered that a strain of methicillin-resistant Staphylococcus aureus (MRSA) bacteria that humans contract from livestock was originally a human strain, but it developed resistance to antibiotics once i ...
Feb 21, 2012 |
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List of search results for ancestral species
