The ability of an animal to maintain a stable internal environment is called homeostasis.
        
                    
             
        
        
        
Biological soil crusts<span> are communities of living organisms on the </span>soil<span> surface in arid and semi-arid ecosystems. They are found throughout the world with varying species composition and cover depending on topography, </span>soil<span> characteristics, climate, plant community, microhabitats, and disturbance regimes.</span>
        
             
        
        
        
Dominance because the tall(T) gene is dominant over the t gene so the plant is tall
        
                    
             
        
        
        
The answer is when levels of the amino acid are high, it binds to the repressor, ending the synthesis of this amino acid