All elements are made of "atoms", and an atom is made up from 3 basic particles: Electrons are particles with a negative charge :)
        
             
        
        
        
Intrasexual selection
Intrasexual Selection is when
members of the same sex within a species contend emulously with each other in
order to acquire chances to mate with others such as the male against male
competition for females. This type of selection often involves posturing and
fighting. Species or individuals suitable for intrasexual selection will possess
developed better weapons than their competitors.
 
 
        
             
        
        
        
<span>Centrosomes are made of from arrangement of two barrel-shaped clusters of microtubules, called “centrioles,” and a complex of proteins that help additional microtubules to form.</span>
        
             
        
        
        
<span>A six-carbon sugar is an example of a molecule </span><span>that can join with other molecules to form a carbohydrate such as starch or cellulose.</span> 
        
             
        
        
        
Explanation:
there u go lol I guessed and got it right