Question

Differentiate between commensalism and amensalism.

Answer 1

Sr. No.	Commensalism	Amensalism
1.	This interaction takes place between two different organisms.	This interaction also takes place between two different organisms.
2.	In this relationship, one organism is always benefited.	In this relationship, one organism is always harmed.
3.	The other organism involved neither benefits nor is harmed.	The other organism involved is neither harmed nor benefited.
4.	There is a benefit to one organism, but no harm or benefit to the other.	There is harm to one organism, but no harm or benefit to the other.
5.	Common examples include lianas, epiphytes, and epizoans (commensals).	It involves organisms that inhibit the growth of others but remain unaffected themselves (amensalism).