A relationship where both organisms benefit
Mutualism
A relationship where one organism benefits and the other is not harmed.
Commensalism
A relationship where one organism benefits and the other is harmed.
Parasitism
An infectious entity that causes disease in the host.
Pathogen
An intimate and prolonged relationship
Symbiosis
What is the relationship between fungi
& photosynthetic algae?
Mutualism
Fungus provides shelter, algae provides food