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5 articles
5 videos
Access a range of other materials to support learning about this unit.

Introduction to Biology

VIDEO 5:55 minutes
Ursula Goodenough takes a closer look at biology and the study of life.

Introduction to Conservation Science

VIDEO 6:45 minutes
Sanjayan discusses the field of conservation science and considers the future of the biosphere.

Life's Evolutionary Story

VIDEO 6:54 minutes
Today's amazing biodiversity all began with a common single-celled ancestor billions of years ago.

The Carbon Cycle

VIDEO 8:32 minutes
Carbon's ability to form chemical bonds is very important to the history of life on Earth and continues to influence our own future.

Life in Italian Limestone

VIDEO 7:41 minutes
Walter Alvarez shows how well-preserved limestone layers in the mountains of Italy offer a rare glimpse at Earth history and early forms of life. 

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