Harmed or Benefitted: What’s the relationship? Objective: After the activity, you should be able to describe the different ecological relationships. Directions: Based on what you have learned from the Brief Introduction, complete the table below by writing a positive (+) sign if the organism is benefitted, negative (-) sign if harmed, or (0) if not affected. In the last column, describe the ecological relationship by translating your answers in Columns 1 and 2 into a statement. Example: (-) , (-) = Both organisms are harmed Ecological Relationships Organism 1 Organism 2 Description 1. Mutualism 2. Commensalism 3. Parasitism 4. Predation 5. Competition​