"maintaining a steady state internal environment, despite a changing external environment, is called homeostasis"
<span>Homeostasis is any self-regulating process by which biological systems tend to maintain internal stability with the tendency to resist external changes. Homeostasis involves negative and positive feedback loops.</span> <span>Homeostasis depends on the ability of the body to detect (via sensors) and oppose these changes. From sensors signals are sent to the control center<span> in the brain, and then after processing the information the </span>effectors are activated.</span>
        
             
        
        
        
Stiffness in the neck can make it difficult for drivers to look behind when they are backing up.
 
        
                    
             
        
        
        
Answer:
b. testing new conditions.......
 
        
                    
             
        
        
        
Answer:
Reductionism  
Explanation:
Reductionism is a philosophical theory used to explain different phenomena from simpler phenomena. This idea represents a useful methodology to understand complex processes, and it is widely used in molecular biology and genetics research fields