If two trees are growing close to each other with both using light, water, and the same nutrients in the soil, the relationship is best defined as competition. the correct option would be B.
In other words, biological competition describes a form of relationship between two organisms in which both fight for the same resources that are available in limited supply.
in competition, both organisms either learn to coexist through resource partitioning or fight it to finish. Without resource partitioning, one of the organisms will have to die as a result of being outcompeted.
More on competition can be found here: https://brainly.com/question/18160017