Hey there! Darwin's finches had different beak sizes and shapes because of natural selection. Over time, the more desirable traits become more dominant and distinct. These beaks were best fit for the type of food the bird ate. Smaller-beaked birds usually have a seed diet, and larger-beaked birds usually eat large nuts or small creatures like worms and bugs. Hope this helps!
        
                    
             
        
        
        
Answer:
The correct answer is A)C02. 
Explanation:
The Calvin cycle is a biochemical process that takes place in photosynthesis (more precisely in the stroma of chloroplasts). It is a stage of the same, which does not depend on light, allowing the fixation of CO2, using the enzyme RUBISCO.
 
        
             
        
        
        
I think it is boron this is my answer
        
                    
             
        
        
        
Solid because it maintains their shape and is rigid 
in this case the answer would be letter "D" 
        
                    
             
        
        
        
Cytosine
(C) - both;
Thymine (T) – DNA;
Uracil (U) - RNA.
Adenine 
(A) - Both 
Guanine 
(G) - Both
These are the letters that we use to represent the nitrogenous base pairs that make up and thus define a nucleotide