I'd say the answer to this one is B, skunks and toads have a predator-prey relationship. Good Luck!
        
                    
             
        
        
        
The correct answer is (d.) proteins. Higher organisms use nitrogen to make their protein. Food that is containing protein also involves nitrogen in it. Protein also has amino acids that contain nitrogen in it which is a necessary essential nutrient for the body.
        
                    
             
        
        
        
Answer:
Glycogen is insoluble due to the fact it is such a large molecule.
Explanation:
These extra branches mean the stored glucose can be released very quickly - something that is very important. also found in animals. 
 
        
             
        
        
        
The presence of glucose in urine symptom of dietaboietes <span />
        
             
        
        
        
Answer:
luteinizing hormone.(LH).
Explanation:
Luteinizing hormone specially stimulates cells in the seminiferous tubules to particularly secrete testosterone, which has a role in sperm production and developing male secondary sex characteristics.