Question

difference between mutualism and commensalism

Answer 1

Mutualism:

1. It is an association between two organisms in which both are benefitted.
2. Contact between the two organisms is obligatory.

Commensalism:

1. It is an association between two organisms in which only one is benefitted. The second is neither benefitted nor harmed.
2. Contact between commensal and its benefactor may be periodic or continuous.