Which of the following is a reason for the evolution of ecotourism?
◦ to try to preserve the environment and still gain the economic benefits of tourism
◦ to improve the quality of resource management and facility development/design
◦ to expand the number of users that an area can accommodate before visitors cause a decline in the desirability of the area
◦ to attract tourists based on material goods, daily life activities, and social expressions of culture