Because of the medication that people put in their head so that they can cure cancer
        
             
        
        
        
Answer: Light colored peppered moths decreases in number and dark colored peppered moths increases.
Explanation: The population of light colored peppered moths decreases whereas the dark colored peppered moths increases in number because the light colored peppered moths are visible to the predator birds  whereas the dark colored peppered moths are not visible due to dark coating of the trees so they are saved from the birds and therefore, increase in population of dark colored peppered moths occurs and decrease occur in light colored peppered moths population.
 
        
             
        
        
        
Answer:
Frogs have skulls but don't have necks
 
        
                    
             
        
        
        
Coral snakes imitates king snake-mimicry
also body coverings such as fur on a bear