Answer: A relationship between two kinds of organisms over time.
Word Origin late 19th century: modern Latin from Greek sumbiōsis 'a living together' from sumbioun 'live together' from sumbios 'companion'.
Scrabble Points: 16
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Symbiosis was adopted by the scientific community in the late 1800s though it had appeared in English in a non-scientific sense as far back as 1622. When a biological symbiosis is mutually beneficial it is termed "mutualism."
Symbiosis (from Greek συμβίωσις symbíōsis "living together" from σύν sýn "together" and βίωσις bíōsis "living") is any type of a close and long-term biological interaction between two different biological organisms be it mutualistic commensalistic or parasitic.
Because different species often inhabit the same spaces and share—or compete for—the same resources they interact in a variety of ways known collectively as symbiosis. There are five main symbiotic relationships: mutualism commensalism predation parasitism and competition.
The close association between two or more organisms of different species often but not necessarily benefiting each member. The association of algae and fungi in lichens and of bacteria living in the intestines or on the skin of animals are forms of symbiosis.
A symbiosis is an evolved interaction or cl...