Spermatogenesis produces<span> four </span>gametes<span>, while </span>oogenesis produces one with two to three polar bodies left over. because oocytes contain not only genetic material but also mitochondria.
        
                    
             
        
        
        
I think Leonardo could have a point but I’m pretty sure it’s just based on genetics even with sea monsters lol
        
                    
             
        
        
        
The esophagus squeezes food down the digestive tract by an involuntary synchronized muscle movement called the Peristalsis
        
                    
             
        
        
        
Amino acids are the building blocks that make up proteins. 
        
             
        
        
        
Because they are not trained to