Chapter 2 - Ecosystems main content.

Chapter 2 - Ecosystems

life_science

 

 

Unit A - Organisms and Environments

Chapter 2 - Ecosystems

Examine the spectrum of habitats that are found throughout the planet. Discover how plants and animals interact in their environments.

Educator Materials Create a Coral Reef Did you know that, at their core, coral reefs are the skeletons of thousands of dead coral? Make your own coral reef diorama—... Interactive Welcome to the Dzanga-Sangha Travel to the lush Dzanga-Sangha rainforest with BaAka. This excellent tour guide will show you the sights—and help you find... Interactive Dive Into Worlds Within the Sea Which squirmy little creatures does the spiny lobster eat? Can you spot the weird greenish glow on the belly of the cookie-cu... Article It Takes All Kinds to Make a World The ocean's one diverse place—with alga so tiny that 10 million can fit in a single teaspoon to whales longer than three scho... Educator Materials What Do You Know About Biodiversity? Invasive species, endangered species, the Endangered Species Act—when it comes to biodiversity, is your knowledge thriving or... Article 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 sec... Educator 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 pe... Article 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 fund... Article Aspen: A Keystone Species By keeping a nature journal, this 16-year-old from Colorado quickly saw how aspens support and sustain biodiversity. Learn mo... Article Tide Pools and the Life Within Them Wade through the tide pools of Doheny State Beach with this seventh-grader from California, and discover the many animals tha... Article Let's Talk With Melanie Stiassny About the Oceans Living on land as we do, it's easy to forget this is a water planet. Yet life appeared about 3.5 billion years ago in the oce...