The correct answer is d. morula. 
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A morula is a stage in early development, formed 3–4 days after fertilization. It is a 16-cell mass which forms a solid ball contained within the zona pellucida. A morula develops into a blastocyst.</span>
        
                    
             
        
        
        
Answer:  Without oceans, there would be more evaporation and more precipitation on Earth
 
        
             
        
        
        
Answer:
Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does. There are a lot of structural future in humans, plants, animal and all living things.
Explanation: