They are important because they contribute to clean air and water for 500 million people this is because they help sustain a healthy forest
        
             
        
        
        
Answer: The view on life that is the result of rethinking and research on older adults is BEST described as: Multidimensional.
Explanation:
 
        
             
        
        
        
It means that the organism does not require air (oxygen) to live
        
             
        
        
        
Because of underdeveloped lungs the frog has to breathe through moist skin. Therefore for exchange of gases the skin is thin and moist