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:
Toxins, New Habitat, Increased Food Supply
Explanation:
Edgu 2020
 
        
                    
             
        
        
        
The  correct answer is Chloroplast 
The primary function of a leaf is photosynthesis and the chloroplast is the main site for photosynthesis. The rate of photosynthesis is much more in leaves as compared to that of roots. Chloroplast is the place where light and dark reactions takes place. Chloroplast contains a pigment called chlorophyll that absorbs light from the sun for the process of photosynthesis.
 
        
                    
             
        
        
        
Six dears migrated, this is the answer because immigration and emigration are both acts of migration.