The sycomore fig tree and the fig wasp share a curious and important co-dependency.
Aug 25th, 2009 | 10 comments | 8,110 Views
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The Queen of Trees: Video: Mutual Dependence
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The Queen of Trees: Introduction
(Airs Sunday, August 30) It may be one of nature's oddest couples: a tiny wasp and a giant fig tree. The wasp and the fig depend on each other for survival.
Aug 9th, 2009 | 63 comments | 30,711 Views
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Symbiotic Strategies: Video Segments: The Secret World of Sharks and Rays
Excerpts from NATURE examine interrelationships between sharks and other species in the marine ecology. Human impact in the ecosystem includes the shark fin industry.
Jul 15th, 2008 | 7 comments | 11,240 Views
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Video-Enhanced Lesson
Symbiotic Strategies: Lesson Overview
This video-enhanced lesson focuses on symbiosis and ecological relationships. Using sharks and marine species as examples, students will investigate the many ways that species that live in close proximity to each other might interact in an ecosystem, and will then explore the ways that ecosystems can be thrown out of balance, often as a result of human action. (Grades 9-12)
Jul 15th, 2008 | 0 comments | 7,657 Views
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