Symbiosis is a close and long-term relationship between two different species, where at least one of the species benefits. It's like a mutually beneficial partnership where both parties gain something.
A type of symbiotic relationship where both species benefit from each other.
A type of symbiotic relationship where one species benefits while the other is neither harmed nor helped.
A type of symbiotic relationship where one organism benefits (parasite) while harming the other organism (host).