Complete the following sentences using the given words in the box. There is ONE extra word. flora sustainable exotic adapt ecology entertained 1. It requires a lot of effort to make ecotourism a_________type of tourism. 2. Oil pollution could damage the fragile_________of the coral reefs. 3. He_________us with beautiful landscape and good food in the ecotourism area. 4. We have to protect rare species of _________and fauna during ecotourism. 5. Some animals have a ...