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en.wikipedia.org/wiki/Ecosystem

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment interacting as a system. These biotic and ...

eschooltoday.com/ecosystems/what-is-an-ecosystem.html

An ecosystem includes all of the living things in a given area, interacting with each other, and also with their non-living environments. Find out what the levels ...

www.dictionary.com/browse/ecosystem

Ecosystem definition, a system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment. See more.

www.kidsgeo.com/geography-for-kids/0164-ecosystems.php

The plants and animals that are found in a particular location are referred to as an ecosystem. These plants and animals depend on each other to survive.

www.khanacademy.org/science/biology/ecology/intro-to-ecosystems/a/what-is-an-ecosystem

Learn what an ecosystem is, how energy and matter move through ecosystems, and what makes an ecosystem stable.

forest.mtu.edu/kidscorner/ecosystems/definition.html

An ecosystem is a complex set of relationships among the living resources, habitats, and residents of an area. It includes plants, trees, animals, fish, birds, ...

www.ask.com/youtube?q=Ecosystem&v=JPHqUxxyLsY
Feb 28, 2013 ... Hi, I'm Emerald Robinson, and in this "What Is" video, we're going to investigate earth's ecosystems. An ecosystem is a community of living ...

www.brainpop.com/science/ecologyandbehavior/ecosystems

Ecosystem is a big buzz-word. Find out what all those buzzers are talking about with this BrainPOP movie on ecosystems! In it, Tim and Moby explain what an ...

www.globalchange.umich.edu/globalchange1/current/lectures/kling/ecosystem/ecosystem.html

Sustainability and System Science - An ecosystem consists The example used at the start of class was to consider that I give everyone a dollar each time you ...

www.nhptv.org/natureworks/nwepecosystems.htm

Everything in the natural world is connected. An ecosystem is a community of living and non-living things that work together. Ecosystems have no particular size.