Chapter 4 - Ecosystems

life_science

 

 

Unit B - The Patterns of Life

  • Chapter 4 - Ecosystems

How do organisms exchange energy and nutrients in an ecosystems?

Oscawana: A Dying Lake?

Young Naturalist Awards Essay

Oscawana: A Dying Lake?

2003 Young Naturalist Award-winning essay - Oscawana has all the symptoms of a dying lake. Join this seventh-grader from New York as she hunts for the culprits—and examines what can be done to restore the lake.

Spectrum of Habitats

Curriculum Materials

Spectrum of Habitats

Did you know that the world's deserts keep expanding each year? Or that islands have the highest animal extinction rate—75 percent? Take a closer look at the major habitats found on Earth.

For Educators

Curriculum Collection, Educator Guide

For Educators

The museum's Hall of Biodiversity is bustling with life. Make the most of your visit by preparing beforehand with this practical and printable guide. 

Water: H2O = Life

Water: H2O = Life

Every language has a word for water; no living thing exists without water. It soothes the spirit and sustains the body; its beauty inspires art and music.

November 1, 2007 - May 26, 2008

For Educators: Water

Curriculum Collection

For Educators: Water

An in-depth look at the life-giving and finite resource of water.

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