- During telophase II, a nuclear membrane forms around each set of chromatids 
- The chromatids are again called chromosomes 
- The cytoplasm divides through cytokinesis, and four haploid cells form. 
 
        
                    
             
        
        
        
Explanation:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
 
        
             
        
        
        
Nitrogen Fixation. Good luck :)
        
             
        
        
        
B. Pine trees, this is the answer that was right after I took the test XD