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All Posts Tagged With: "mammals"

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 | Comments

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 | Comments

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 | Comments

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 | Comments

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 | Comments

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 | Comments

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 | Comments

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 | Comments

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