The follicle is an integral part of the reproductive system of a woman. The follicle is composed of a cluster<span> of cells surrounding a single egg in the human female reproductive system which contains cilia to sweep the ovum to the uterus. Answer is follicle.</span>
        
                    
             
        
        
        
Answer: c. Flower
Explanation:
An angiosperm can be define as a group of vascular plants. These plants are flower bearing which means they conduct sexual mode of reproduction through flowers. The flower exhibit male and female reproductive structures the fertilization of which produce seeds and fruits.
 
        
             
        
        
        
Chemotrophs (Bacteria) are essential  in the conversion of nitrogen containing compounds to nitrogen forms that are accessible  and usable by plants.