Topic: Invasive Species
Africanized honeybees — so-called “killer bees” — look nearly identical to ordinary honeybees. To distinguish them, you need to look under a microscope or analyze their DNA. Discover Africanized honeybees — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
An alien species doesn’t have to come from another country. After being introduced as a sportfish, the flathead catfish flourished in a dozen states in the U.S. — at the expense of native fish. Learn more about alien flatheads — today on Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
When planes and ships arrive in Hawaii, they might carry “accidental tourists” — animals and plants from other parts of the world. One recent arrival is a little frog with a big voice. Discover a Puerto Rican frog in Hawaii —- on today’s Earth and Sky.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
An elusive beetle from a faraway land is threatening North American hardwood trees. But scientists are fighting back, with the help of a sound detector that can hear the faint sounds of munching beetle larvae deep in a tree.
Related PLT Activities
- PreK-8 Guide
- The Changing Forest: Forest Ecology (9-12)
Nature enthusiasts once aided species invasions
Posted Feb 2, 2007 in Invasive Species download Help
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)
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