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Chapter 3 - Exploring Ecosystems

life_science

 

 

Unit B - Ecosystems

  • Chapter 3 - Exploring Ecosystems

Where do plants and animals live and how do they depend on each other?

wetlands

Young Naturalist Awards Essay

How Do Humans and Plants Interact in Tidal Wetlands?

How is cordgrass able to survive the high salinity of a marsh when other plants can't? An amazing adaptation that lets it secrete excess salt, as this ninth-grader from Virginia discovered.

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Young Naturalist Awards Essay

The Pantano Wash: Investigating an Ecosystem

How do the many trees and shrubs that live at the bottom of dry riverbeds survive flash floods? Investigate the answer with this 7th-grader from Arizona as he monitors a neighborhood wash.

kyle2

Young Naturalist Awards Essay

Saguaro Cactus: From Life to Death

2003 Young Naturalist Award-winning essay - Journey to the Sonoran Desert in southern Arizona with this seventh-grader for an up-close and personal look at the saguaro cactus, which can live about 200 years and grow to be almost 80 feet tall.

woodlot

Young Naturalist Awards Essay

Exploring a Woodlot's Ecosystem

Chances are you've heard the saying "There's no such thing as a free lunch." But did you know that it's one of fundamental laws of ecology? Explore all four with this tenth-grader from Wisconsin.

Water-Main-Thumbnail_small

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

tout_water_guide

Curriculum Collection

For Educators: Water

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

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.

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