Survival of Trees

In this video a scientist explains how DNA extracted from ancient tree remains provides insights about how trees/plants have adapted, over time, to changes in CO2 in the atmosphere. Her lab research investigates changes in plant genotypes under experimental conditions that simulate potential changes in CO2 levels in the future.

Go To:

National Science Foundation
NBC Learn
Science 360 Network

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Teaching Tips

Teaching Tips

Could be used in a biology or Earth science class.

Educators can bring out the scientific method and how it is being applied to study past, present, and future.

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