Cyanobacteria which is a type of algae. It conducts photosynthesis and without it there may not have been life today because they didn't need oxygen to survive and in order to have oxygen there had to have been some form of life...
        
                    
             
        
        
        
A. Salt is the solute.<span> Water is the solvent.</span>
        
             
        
        
        
racoons
Explanation:
they are nocturnal animals 
hope that helps
 
        
                    
             
        
        
        
<h2>Option(A) is Right Answer</h2>
Explanation:
   (a) lobules is  right answer
- <em>The spermatozoa from the rete testis, </em>at that point meet to form the <em>ductus epididymis, a tangled pipe</em>
- The ductus epididymis fixes and turns into the <em>ductus deferens</em>. In domestic mammals <em>blooded mammals, testicles</em> are not in a significant body cavity, yet are encased in the <em>scrotum </em>
- The glandular structure of the testis comprises of various lobules. Every tubule is contained in one of the interims between the <em>stringy septa which reach out between the mediastinum testis and the tunica albuginea</em>, and comprises of from one to, at least three, minute tangled <em>cylinders, the tubuli seminiferi</em>