Answer:
The fetus gets it's nourishment through the umbilical cord that is connected to the mother's uterus 
 
        
             
        
        
        
Answer:
Reptiles
Explanation:
Vertebrate paleontology covers everything from the tiny, fish-like creatures, to the salamander-like ancestors of all land vertebrates, to dinosaurs, mammals, flying and swimming reptiles, etc.
Hope this helped
 
        
             
        
        
        
Answer:Yes
Explanation:
Only if someone down their bloodline has had 3 eyes. It would be possible, but highly unlikely.
 
        
             
        
        
        
Answer:
B. 
Explanation: Hope this helps! ^^