ecosystem

Cultural Dictionary
ecosystem [(ee-koh-sis-tuhm, ek-oh-sis-tuhm)]

A collection of living things and the environment in which they live. For example, a prairie ecosystem includes coyotes, the rabbits on which they feed, and the grasses that feed the rabbits.

Note: Chemical substances move through ecosystems on the Earth in cycles (see carbon cycle).
Note: The source of energy for almost every ecosystem on Earth is the sun.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Explore Dictionary.com
Previous Definition: economics
Words Near: ecosystem
More from Thesaurus.com
Synonyms and Antonyms for ecosystem
More from Reference.com
Search for articles containing ecosystem
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature