Answer: I would say its probably A I'm not sure but that might be it
Explanation:
 
        
             
        
        
        
Hola , bueno una portada es la primera plana  o la cara principal de algo , en tu portada debes colocar tu nombre el nombre del proyecto , que eres de sexto grado , el nombre de tu profesor , básicamente es la presentación   de lo que vas a presentar , es como la introducción. 
        
             
        
        
        
Explanation:
Hardy-Weinberg principle can be illustrated mathematically with the equation: p2+2pq+q2 = 1, where 'p' and 'q' represent the frequencies of alleles. ... The principle behind it is that, in a population where certain conditions are met (see below), the frequency of the alleles in the gene pool will be constant.  
 
        
             
        
        
        
Autotrophs make their own food while heterotrophs do not; because of this, autotrophs may survive in certain situations in which heterotrophs would not.
Hope this helps.
        
             
        
        
        
They are all not plate tectonics