The regularity of basic functions such as hunger, excretion, sleep, and wakefulness is known as <span>dimensions of temperament; rhythmicity.</span>
        
             
        
        
        
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>
        
             
        
        
        
Answer:
El pez que cultiva algas.
El cangrejo bailarín.
Explanation: