Biologist solves mystery of tropical grasses' origin
Around 30 to 40 million years ago, grasses on Earth underwent an epic evolutionary upheaval. An assemblage capitalized on falling levels of atmospheric carbon dioxide by engineering an internal mechanism to concentrate the dwindling CO2 supply that, like a fuel-injection system in a car, could more efficiently convert sunlight and nutrients into energy. Source: Brown University - Discipline: Evolution
Biologist solves mystery of tropical grasses' origin
Around 30 to 40 million years ago, grasses on Earth underwent an epic evolutionary upheaval. An assemblage capitalized on falling levels of atmospheric carbon dioxide by engineering an internal ...
Mon 8 Feb 10 from PhysOrg
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Brown biologist solves mystery of tropical grasses' origin
Brown University biologist Erika Edwards and a colleague have found that rainfall, not temperature, was the primary trigger for the evolutionary beginnings of C4 tropical grasses. Their results ...
Mon 8 Feb 10 from R&D Mag
Brown biologist solves mystery of tropical grasses' origin
PROVIDENCE, R.I. [Brown University] -- Around 30 to 40 million years ago, grasses on Earth underwent an epic evolutionary upheaval.
Mon 8 Feb 10 from Science Blog
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