What interactions occur between individuals of two or more different species

Correct answer would be Symbiosis

Symbiosis is characterized as an interaction between two or more species who are living in direct contact with each other. Symbiosis includes mainly three types of interactions such as commensalism, parasitism, and mutualism.

Commensalism - It refers to the relationship in which one organism is benefited while another species is neither get benefit nor harm.

Parasitism refers to the relationship in which one organism get a benefit and the other organism is harmed by that relationship.

Mutualism refers to the relationship in which both the organism get benefit from the relationship.