Like all animals the noises they make are to warn off predators, and mating call. IDk
        
             
        
        
        
Answer:
Los capilares rodean a las células y a los tejidos del cuerpo para aportar y absorber oxígeno, nutrientes y otras sustancias. Los capilares también conectan las ramas de las arterias y las ramas de las venas.
 
        
             
        
        
        
<span><span><span>The experimental method is usually taken to be the most scientific of all methods, the 'method of choice'.</span><span> </span><span> </span><span>The main problem with all the non-experimental methods is lack of control over the situation.</span><span> </span><span>The experimental method is a means of trying to overcome this problem.</span><span> </span><span> </span><span>The experiment is sometimes described as the cornerstone of psychology</span>
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Answer: random changes in allele frequency
Explanation: