Phrases with «ancient pollen»

The term "ancient pollen" refers to pollen grains that are very old. It represents the microscopic particles produced by plants and preserved in sediment or other materials over long periods of time. Ancient pollen is used by scientists to understand past environments, climate changes, and the history of plant life on Earth. Full definition

ancient pollen

Sentences with «ancient pollen»

Others figured out ingenious ways to retrieve past temperatures by studying ancient pollen and fossil shells. (history.aip.org)
Ancient pollen grains that were floating in the air when mammoths roamed Southern California are providing new insights into historic droughts in the region, including how a series of mega-droughts between about 27,500 and 25,500 years ago changed the ecological landscape. (ldeo.columbia.edu)
Researchers have used ancient pollen to date archeological sites, he says, but this is the first time its been used to try to finger murderers. (sciencemag.org)
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Phrases with «ancient pollen»

Sentences with «ancient pollen»

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