Matching Pairs Ecotourism Online version Match the words to their definitions by Maria Jose Parra 1 benefit 2 sustainable 3 flexible 4 basic 5 water sprinklers 6 fair price Used to refer to a way of using natural products so that no damage is caused to the environment. Means to receive or give a helpful or good effect. Means providing the base or starting point from which something can develop; it also means simple or without complication. Is one which is reasonable and is what you expect or deserve. Are devices used to direct water in order to water plants, grass, etc. Means able to change or be changed easily according to the situation.