Answer: Option A) Parathyroid glands
Explanation:
The Parathyroid gland located in the neck region helps in the secretion of an hormone called Parathormone.
This hormone helps to raise the levels of calcium ions in the body, by preventing the loss of calcium ions through urine, and also preventing excess deposit of calcium ions in the bone, thus regulating bone density.
 
        
             
        
        
        
<span> Some of the important features of a prokaryotic cell is that it contains a plasma membrane, ribosomes, and genetic material (DNA) that is not bound by a membrane. Therefore, prokaryotic cells lack a nuclear membrane. </span>
        
                    
             
        
        
        
Suger is a type of carbohydrate
        
             
        
        
        
Answer: You had it correct
Explanation:
A derived trait is any trait that is carried down species through a cladogram.  Thus, all of the previously listed traits are derived, because they were passed down to species furhter on the cladogram.
 
        
             
        
        
        
1- B
2-B
3-C
4-B
5-A
6-A
I cant see the options for question 7, but here are the answers for 1-6. Hope they help!