Sentences with phrase «examined soil samples»

A team has, for the time, examined soil samples for traces of DNA and revealed these caves could hold a much more diverse set of organisms than previously thought.

The biologist begins examining the soil samples, discovering a nucleus or cell or whatnot that pertains to a living organism.

Not exact matches

When he and his colleagues examined 98 soil samples, from the Arctic tundra to the Amazonian rain forest, they were floored by the results.

Dartmouth scientists examined the variability of soil phosphorus in the McMurdo Dry Valleys by evaluating two forms of phosphorus in surface soil samples: labile phosphorus, which is immediately available to organisms, and mineral phosphorus, which needs to be broken down by weathering before organisms can use it.

Soil samples were taken from the floor of the nests and the nestlings were examined at regular intervals and at the end of the experiment.

In addition, the team removed isopods, cords, or both from some samples to examine their effects on soil ecosystems.