Maintaining internal conditions within an organism, especially when <span>outside conditions change is called homeostasis. 
In Latin, the word homo/homeo means <em>the same, </em>and stasis means <em>state/condition. </em>
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The tragus is a small pointed eminence of the external ear, situated in front of the concha, and projecting backward over the meatus. It also is the name of hair growing at the entrance of the ear.
        
             
        
        
        
Answer:
<em>B. Cell wall </em>
Explanation:
All the others are wrong, and this is the answer on Edgenuity :)
 
        
             
        
        
        
5? ig thats my guess not sure