Mutualism; the meaning of two beings benefiting from each other.

Parasitism; The meaning of pain, it takes part from two organisms, except one is benefited, whilst the other suffers.

Commensalism; It benefits one of the creatures, while the other is left unaffected.

Parasitism; The little creature, will attack, and take control. Mind control, it forces you to do unspeakable things, like sacrifice your body, to provide a safe haven, for the parasites.

Commensalism; A monkey, high in in the tree’s, drops food, for another creature, thus, creating a commented relationship.

Mutualism; finally, the one that benefits both of the creatures, as an Ox, stands in a field, a million bloodsucking tics, rip into his flesh, sucking his blood. suffering, he calls to the skies, soon a flock of birds, land in his field, hungry, one the birds, land on his back, finding the feast, he squawks, calling 3 more over, they finally deplete the creatures, full, they fly away, the Ox feeling better, shuffles away.