Sentences with phrase «largest environmental pressure»

Not exact matches

To figure out what's really happening within an organism — or within a particular organ or cell — researchers are linking the genome with large - scale data about the output of those genes at specific times, in specific places, in response to specific environmental pressures.

«This shift to earlier weaning age in the time leading up to woolly mammoth extinction provides compelling evidence of hunting pressure and adds to a growing body of life - history data that are inconsistent with the idea that climate changes drove the extinctions of many large ice - age mammals,» said Cherney, who is conducting the work for his doctoral dissertation in the U-M Department of Earth and Environmental Sciences.

Reid's pledge follows 48 hours of intense pressure on the White House from major green groups, marking the first time many large environmental organizations have so openly and loudly targeted Obama and Reid — and it produced extraordinarily rapid results.

From which we may deduce that an individual can be «modified» merely by the effect of environment, but that fresh characters will not be transmitted by heredity or will be transmitted only with difficulty and perhaps even then only because of some sustained environmental pressure repeatedly exerted upon a large number of generations.

To a civilization facing lots of other pressures — internecine conflict, unchecked population growth, environmental degradation — the added burden of drought may have been enough to undermine the stability of the large Mayan cities situated in the lowlands of the Yucatan Peninsula, says Jeremy A. Sabloff, a Mayanist and the director of the University of Pennsylvania Museum of Archeology and Anthropology.

And finally environmental groups stepped up pressure on pulp and paper companies linked to large - scale destruction of rainforests and peatlands in Sumatra.

This action is in response to growing pressure from environmental organizations, animal welfare groups, and others concerned about the long - term effects of using antibiotics important for human medicine in such large quantities.

Our regulatory team has helped some of the world's largest refiners and producers of innovative renewable energy technology understand and navigate the unique environmental and regulatory pressures faced by energy companies.

Navigational ability might also be expected to play a mediating role, although causation between range size and navigational skill could go both ways: males might have better navigational skill as an evolved consequence of selection pressures resulting from larger ranges, while learning from environmental experience is also likely to improve a person's navigational proficiency.