Investigate the interdependence of wildlife in the Yellowstone ecosystem and draw an ecosystem showing the interdependence of life forms.

For this lesson, students will choose an organism of their choice and research its life cycle, food chain, diet, and habitat, then predict how habitat change might affect the organisms living within it.

Describes five different types of decomposers that feed on decaying organic matter in the oceans and that are at the bottom of the ocean food chain.

Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...

See how combining yeast, sugar, and water can demonstrate the carbon cycle and show how microorganisms work in the food chain.

How are animals and plants linked? What is the difference between a producer and consumer? How is a predator different from prey? Take this food chain quiz to find out the answers to these questions and more. Links allow you to convert...

A complete lesson on owl pellets. Students can read information, watch a tutorial, and use their computer mouse to complete a dissection simulation right there on the screen.

Fun, interactive game that helps students identify interrelationships in an ecosystem. For six or more players.

Explains what a food web is, the complexity of one in a rainforest, and how energy flows through a food web.

Explains the characteristics of tropical and temperate rainforests and what rainforest food webs look like.

The Web of Life is a story told by a common garden spider at this site from Kids' Planet. Learn about the food web, and the roles and relationships of every living creature.

This colorful site examines the food chain and delves into an explanation of what producers are and where they fit in an overall ecosystem.

Learn about ecosystems, how they work, codependency, and food chains.

Create the parameters of your own ecosystem by choosing which producers and consumers live there. Visualize how the food web operates and species populations change. This simulator mimics the food web within a typical ecosystem and gives...

Travel with your students on a Virtual Field Trip to learn about Temperate Forest Biomes. You will also discover many informative and interactive websites.

Read and fill in the blanks of this passage explaining who eats what. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with your...

A colorful tutorial about ecological pyramids. Read the information, and then check your understanding with some questions and answers about the topic.

Join Ellen on her trip to the Kaap De Goede Hoop in South Africa, and learn more about plants, animals, and energy.

In this tutorial, Bill Nye explains how to catch planeria, small carnivorous worms that live in ponds. In addition, he explains their role in the environment.