Science news articles about 'c4 grasses'

... , presenting the first geological evidence that the ancestors of these and other C4 grasses emerged millions of years earlier ... studies," Nelson said. This analysis found "unequivocal evidence for C4 grasses in southwestern Europe by the Early Oligocene ...

... the high sunlight of spring. Recently a wild C4 grass related to corn, Miscanthus x giganteus, has been found to be exceptionally productive in cold climates. The Illinois ...

... Carolina, have found that rainfall — not temperature — was the primary trigger for C4 grasses' evolutionary beginnings. Moreover, the pair ... the phylogeny, Edwards said, was to tease out the junctures at which C3 and C4 grasses diverged over time. The scientists zeroed ...

CHAMPAIGN, Ill. -- According to a popular hypothesis, grasses such as maize, sugar cane, millet and sorghum got their evolutionary start as a result of a steep drop in atmospheric carbon dioxide...

... . "That example is a bit anthropomorphized, but I see C4 grasses as new resources that may not have been as much in demand ... and were relatives of elephants, show no sign of C4 grass in their diet throughout their history. Giraffids ...

... the same time period as the cacti. C4 grasses, the tropical grasses that are now up to 20 percent of our planet's vegetative covering, burst onto the scene ...

... indicated P. boisei individuals preferred C4 grasses and sedges over C3 trees, shrubs ... to a high of 91 percent. That's statistically indistinguishable from the grass diets of grazing animals that lived at the same ...