Answer:
Superposition
Explanation:
Sedimentary rocks are deposited one on top of another. The youngest layers are found at the top of the sequence, and the oldest layers are found at the bottom.
 
        
                    
             
        
        
        
Answer:
D Copper is transported by the stem from the roots to the flowers, where it affects reproductive tissues.
Explanation:
 
        
                    
             
        
        
        
Answer:
In cross-pollinating plants that either produce yellow or green pea seeds exclusively, Mendel found that the first offspring generation (f1) always has yellow seeds. ... that a trait may not show up in an individual but can still be passed on to the next generation.
Explanation:
 
        
             
        
        
        
Answer:
Hypothesis 
Explanation:
Since you are thinking it/guessing it with the knowledge you already have I think it’s hypothesis. 
This is the definition of hypothesis if it helps: a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.