Topic: Biodiversity
J.R. McNeil of Georgetown University told Earth & Sky that in the 18th and 19th centuries, nature enthusiasts often intentionally transported creatures and seeds over long distances — even across oceans.
He said, “Thomas Jefferson was one such, he wanted to establish mulberry trees and silkworm culture in Virginia, for example. And there was a fellow in the 1890s who allegedly had decided that what North America really needed was all the birds mentioned anywhere in the works of Shakespeare …”
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Biodiversity (9-12)
Plants and animals adapt to environmental conditions. Today the world is changing at a very rapid clip — so it’s not surprising that the world’s biodiversity is affected. Some thoughts on biodiversity — coming up after on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Places We Live (9-12)
- Exploring Environmental Issues: Biodiversity (9-12)
Crossing Over
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Focus on Forests (9-12)
- Exploring Environmental Issues: Focus on Risk (9-12)
- Exploring Environmental Issues: Biodiversity (9-12)
Scientists think that dinosaurs became extinct relatively rapidly — after an asteroid collided with Earth. But, for modern species, the reasons for extinctions aren’t always as clear. More — after this on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
- Exploring Environmental Issues: Biodiversity (9-12)
Sea otters are known for their playful antics in the waters along the west coast of the U.S. But sea otters also play a serious role in the local ecology. Discover kelp forests and sea otters — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
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PROJECT LEARNING TREE® is an award winning Environmental Education program of the American Forest Foundation.
Enhance learning in your classroom with correlated PLT lessons. Hundreds of correlations have been developed combining PLT's award winning PreK-12 Environmental Education curriculum and Earth & Sky's radio series.
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