D bc active transport is basically the opposite of osmosis and diffusion
        
             
        
        
        
As when things get eaten some of the energy is lost  the predators have to have more than one prey to survive, this means there is only a limited amount to be shared which means less predators
        
             
        
        
        
Mountains determine wind flow, as well as serving as a cloud break. Depending on which side of the mountain you’re on, you will either have a mostly dry, dead region. Or a moist, fertile region.
        
             
        
        
        
Well it helped the animals and humans grow the population.