What is the difference from the biotic relationship from abiotic relationship?

ecosystem

In a mutualistic realtionship both benefit from eachother, in a parasitic relationship, one is benefitted while the other is harmed.

I'd start by asking, do you mean 'casual' relationship? if so then most people consider a causual relationship to be a bit of fun, don't get too caught up in the other. (don't get too attached!) Some...

a relationship between living organisms

In database design, object-oriented programming, and knowledge representation, we often describe the relationship between two things as either "is-a" or "has-a" (but not both). For example, An...