Topic: Animals
Margeret Krahn of the Northwest Fisheries Science Center, told Earth & Sky that killer whales “are what they eat.” They can be used as what she calls a “sentinel species” – an indicator both for ocean health and for the health of humanity.
Related PLT Activities
- PreK-8 Guide
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)
Survival odds slim for stranded marine mammals
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
Wildlife expert tracks Arctic pollution
Related PLT Activities
- PreK-8 Guide
- Exploring Environmental Issues: Focus on Risk (9-12)
- Exploring Environmental Issues: Places We Live (9-12)
Under the cover of the ocean in winter, sharks of a certain species were thought to hibernate. But scientists wondered if they were deep in winter sleep or just as active in deeper water. Discover basking sharks — on today’s 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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