the best science on the web about
ecosystems

Ecosystems
Image: iStockphoto.com/Tuayai

Ecosystems

This community of plants, animals, and other organisms interact with physical features such as soil, water, and temperature. These organisms function as producers (plants), consumers (animals), and decomposers (plants and animals).

Ecosystems can be any size, from tiny tide pools to vast tallgrass prairies. Organisms, humans included, will often regularly move in and out of different ecosystems.

New Hampshire Public TV
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Dioramaorama

Dioramaorama

Go fish! Collect sets of plant or animal cards to win stickers to add to your own diorama of some of the country's best-known national parks. More...

Game
SciGirls/PBS
Building a Bottle Ecosystem

Building a Bottle Ecosystem

Check out this project that shows how to build and observe a simple ecosystem in a 2-liter soda bottle. When you’ve finished your observations, find more permanent homes for any critters. More...

Activity
The Geoexchange
Overview: River Ecosystems

Overview: River Ecosystems

There is more than meets the eye in a river ecosystem. To understand one, you have to investigate the whole drainage area that supplies its water. More...

Article
Trinity College
Biography of David Tilman

Biography of David Tilman

Dr. Tilman is the go-to guy when it comes to ecology and biodiversity. He works with economists to place economic values on nature's services so that leaders can make good policies. More...

Profile
sciencewatch.com
Definition of an Ecosystem

Definition of an Ecosystem

An ecosystem that is healthy is said to be sustainable. Explore the parts of an ecosystem and the indicators of ecosystem health. More...

Article
Michigan Technological University
Earth on Edge: Ecosystems

Earth on Edge: Ecosystems

Every inch on the Earth is part of an ecosystem. Find out about the different types of ecosystems and how humans impact them. And how we can care for them. More...

Article
PBS
Ecology Lab

Ecology Lab

You get the chance to build an ecosystem from scratch in this challenging simulation. Start with the producers and see if you can keep the system in balance as the simulation progresses. Good luck! More...

Interactive
The Annenberg Foundation
Ecosystem

Ecosystem

The Earth is a web of interconnected ecosystems. Within each ecosystem, all living and nonliving components are also interconnected. Explore some of these relationships. More...

Images
National Geographic
Ecosystem Services: A Primer

Ecosystem Services: A Primer

We take them for granted and get upset when we lose them. Ecosystem services purify air and water, pollinate crops, buffer against climate change — and so much more! More...

Article
American Institute of Biological Sciences
Ecosystems Song

Ecosystems Song

Mr. Parr drives home the basics about ecosystems with his adaptation of Jason Derulo’s “Don’t Want to Go Home.” Where’s home? — in an ecosystem! More...

Video
Mr. Parr

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