This question is not clear, but I think I understand what you are asking. The difference between alleles of a gene is that some alleles may be dominant or recessive. If one gene has more dominant alleles than another, than it will be more visible.
 
        
             
        
        
        
Answer:
Intelligence
Explanation:
Intelligence is basically the ability to learn. It is described as being able to gain knowledge and skills and applying it. So it is not just about knowing things and being able to do things, it also has something to do with being able to "use" knowledge and skills. 
With that, the individual is able to understand or like it is mentioned in your question, <u>grasp</u> complex ideas and at the same time, they can use those complex ideas to solve complex problems. 
 
        
             
        
        
        
Answer: crossing over happens in prophase 1.
Explanation: ( in Portuguese ) os cromossomas homólogos, na profase 1 da meiose, tocam-se, trocando informações sobre o ADN. A esse processo chama se crossing over.
 
        
                    
             
        
        
        
Answer:
Explanation:
Coexistence occur when individual occupying in a particular place are able survive with limited resources. 
Dispersal - some of the lizard go hunting, they disperse themselves to various places to get resources.
Stability mechanism- this happen when individual stabilizes them selves in a particular habitat dealing with 
environmental variations that may occur and drift them apart. 
Equalizing mechanism - they all try to be at the same pace to avoid been out compete, even though some are stronger they equalize their energy for all to manage the limited resources. 
 
        
             
        
        
        
<span>the interference of two waves of equal frequency and opposite phase, resulting in their cancellation where the negative displacement of one always coincides with the positive displacement of the other.</span>