That is when an action done for one thing actually benefits for itself and visa verse. Ex.- A fish cleans off barnacles from a whales skin. It benefits because that is food for the fish and the whale is now clean.
Ex- Same with when a bird cleans an alligators mouth. Crazy stuff ;)
Its just basically one action that helps two animals/humans. Hitting two birds with one stone, if you will.
Symbiosis. The term carries the connotation of a relationship where both species benefit, but that is actually called mutualism.
Symbiosis:Β the relationship between two organisms that live together in an environment
A barnicle
Symbiosis describes a relationship where two entities depend on each other.
mouse
Parasitism
A symbiotic relationship is a close long term relationship.
parasitism. :D
Symbiosis
Parasitic.
Symbiosis
plankton on whale