different between helotism vs commensalism

English

helot +? -ism

helotism (usually uncountable, plural helotisms)

The permanent oppression of a nominally free group of people
(zoology) A form of mutualism in which one species is forced to perform tasks for another, for their mutual benefit

Allaby, Michael. The Concise Oxford Dictionary of Zoology. pg 213. Oxford University Press. New York. 1992.

commensal +? -ism

commensalism (countable and uncountable, plural commensalisms)

(ecology) A sharing of the same environment by two organisms where one species benefits and the other is unaffected. An example is barnacles on whales.
The act of eating together; table fellowship.

Send