In the past, whales had legs. From whales no longer having legs, its technically a mutation. With this, it means they can no longer go onto land, so they learned to adapt to the water.
        
             
        
        
        
Explanation:
fermentation through glycolysis
 
        
             
        
        
        
Answer:straum and straum
Explanation:
they both have the same name
 
        
             
        
        
        
Answer: Microorganism activity affects soil acidity and the amount of organic matter in soil. It also affects the nutrient and mineral levels in soil as well as soil structure.
Explanation:
 
        
             
        
        
        
Organ systems are made up of tissues which are made up of cells.
Hopefully that helps and if u need a brief explanation about that just text me.