Ecosystem <!-- google_ad_client = "ca-pub-2327677141881672"; /* Short title Links */ google_ad_slot = "3055805829"; google_ad_width = 468; google_ad_height = 15; //-->

An ecosystem is a community of plants, animals and microorganisms, along with their environment, that function together as a unit. An ecosystem can be as large as a rainforest or as small as a rotting log.