A hermit crab finding and moving into a discarded shell is an example of a commensalism.
What is commensalism?
- Commensalism in biology, a relationship between individuals of two species in which one species obtains food or other benefits from the other species without harming or benefiting the other species obtain.
- Three main types of commensalism include: phoresy, inquilinism, and metabiosis.
- The simplest example of commensalism is birds nesting in trees. Trees provide shelter for birds without causing them much harm or effect. Another classic example is the cattle egret (bird) that eats insects kicked by the feeding cows
Why is it called commensalism?
The word "commensalism" comes from the word "commensal" meaning "to eat at the same table" in human social interaction, and comes from the medieval Latin word "to share a table" in French. and means the prefix com -. Mensa, which means "together" and "table" or "meal".
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