Work Step by Step
Option B is incorrect. Predation happens when one organism consumes another. Option C is incorrect. Commensalism is a relationship between two organisms in which one benefits and the other is neither harmed nor receives any benefit from the relationship. Option D is incorrect. In mutualism, both organisms benefit from their relationship. Option A is correct. In competitive exclusion, if one organism is better suited for a specific niche than another species, then the species less suited will die out.