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Living with other species is an example of symbiosis and that is what you will see here.

Animals: An Example of a Symbiotic Relationship.

A type of symbiosis that is beneficial to one symbiont and detrimental to another one; for example, "parasitism".

1. A symbiosis (relation between two different species of organisms that are interdependent and each gains benefits from the other) characterized by the bodily union between the symbionts or one of two different organisms that live together.
2. Ordinarily symbiosis where the association is advantageous, or often necessary, to one or both, and not harmful to either.
3. When there is a bodily union in extreme cases so close that the two form practically a single body, as in the union of algae and fungi to form lichens, and in the inclusion of algae in radiolarians (any of various marine protozoans of the group Radiolaria, having rigid skeletons usually made of silica).

A relationship in which at least two manufacturing facilities exchange materials, energy, or information in order to produce a collective benefit greater than the total of individual benefits which could be achieved by acting alone.

A symbiosis established between two living organisms in which one symbiont continues to use the other as a food source even after complete or partial death has occurred.

Interdependence between three people, as in the intrafamilial setting of two parents and their child.