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Answer:
Archaea
Explanation:
Archaea is another term for Archaebacteria. also known as Bacteria which fits all the traits from the question.
 
        
             
        
        
        
Answer; 
-Stratosphere 
The Stratosphere is responsible for absorbing the most UV radiation.
Explanation; 
-The stratosphere is the second layer of the atmosphere as you go upward lying between the troposphere and the mesosphere.
-The stratosphere layer also called the ozonic atmospheric envelope, is important to human's life as it contains the ozone layer which absorbs the harmful ultraviolet radiations which emitted from the Sun , and also it is convenient for flying of the planes .
 
        
                    
             
        
        
        
The original source of all energy in a food web is the sun. the sun provides light energy that producers use in photosynthesis. animals eat the producers and other animals eat those animals. the energy flow goes up the web, but it all originated at the sun