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All Posts Tagged With: "biology"

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The Perfect Cow?: Video Segments: Holy Cow!

Clips from the NATURE episode "Holy Cow!" show the cow's digestive system and illustrate other naturally evolved and artificially selected traits of cattle.

Jul 15th, 2008 | 2 comments | 6,152 Views
(6 votes)
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Video-Enhanced Lesson

The Perfect Cow?: Lesson Overview

This video-enhanced lesson focuses on how and why humans have been so successful in selectively breeding cattle to suit our needs, while also exploring the limitations and consequences of this success. (Grades 9-12)

Jul 15th, 2008 | 7 comments | 8,571 Views
(11 votes)
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Dare to Care for a Grizzly Bear: Video Segments: The Good, the Bad, and the Grizzly

Segments from the NATURE episode "The Good, The Bad and the Grizzly" examine how human interaction with grizzlies has alternately endangered and restored the population, and how humans coexist with grizzlies today.

Jul 15th, 2008 | 1 comment | 4,949 Views
(6 votes)
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Video-Enhanced Lesson

Dare to Care for a Grizzly Bear: Lesson Overview

In this video-enhanced lesson, students will learn how human beings have interacted with and impacted the lives of grizzly bears in Yellowstone Park. (Grades 9-12)

Jul 15th, 2008 | 0 comments | 4,532 Views
(13 votes)
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The Birds and the Beaks: Video Segments: Extraordinary Birds

The segments from the NATURE episode "Extraordinary Birds" show examples of the adaptations of different birds to their varying environments.

Jul 15th, 2008 | 3 comments | 6,216 Views
(5 votes)
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Chain Reaction: Video Segments: Earth Navigators

Video segments from the NATURE film "Earth Navigators" feature cycles of animal migration from one part of the earth to another, including butterflies and wildebeest.

Jul 15th, 2008 | 0 comments | 4,489 Views
(8 votes)
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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 | 11,315 Views
(9 votes)
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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 | 7,722 Views
(23 votes)
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