They had a competition to see who could sell the most lemonade. Recent Examples of competition from the Web Miss America is ending the swimsuit and evening gown portions of its competition, the organization announced Tuesday morning (June 5).
Mutualism or interspecific cooperation is the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other. Similar interactions within a species are known as co-operation.
Mutualism is a category of symbiosis where both partners of the relationship benefit. The two partners in a mutualistic relationship are evolved together. Since each partner is a component of the environment, the other partner makes use of it.