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 | 6,065 Views
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The Perfect Cow?: Video Segments: Holy Cow!
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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 | 8,452 Views
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Great White Bear: Introduction
Discover the habits of these giant carnivores and find out the polar bears' secrets for surviving in the Arctic.
Feb 11th, 2008 | 20 comments | 21,201 Views
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The Nature of Sex: Production Credits
THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.
Jun 11th, 2000 | 0 comments | 1,196 Views
(1 votes) Loading ...The Nature of Sex: Web & Print Resources
THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.
Jun 11th, 2000 | 0 comments | 34,092 Views
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The Nature of Sex: Sex and the Human Animal
THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.
Jun 11th, 2000 | 2 comments | 17,977 Views
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The Nature of Sex: The Sex Contract
THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.
Jun 11th, 2000 | 1 comment | 2,695 Views
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The Nature of Sex: A Time and a Place
THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.
Jun 11th, 2000 | 0 comments | 1,236 Views
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