Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered the evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.
        
             
        
        
        
Answer:
The answer is D the Andromeda galaxy 
Explanation:
 
        
             
        
        
        
The elements that are best known for helping performers memorize an epic poem are rhyme, rhythm, and repetition of certain words.
        
             
        
        
        
Heat.
90% of all energy is released as heat in ecosystems.