Answer:
D
Explanation:
All the body's systems are linked together in some way. They all interact to produce a fully functioning organism.
A is not correct, becomes hormones are part of the endocrine system, not the immyne system.
B is not correct, because they are not explicitly involved in homeostasis
C is incorrect, all the systems are always working in the background.
The correct answer is D, one way in which the two systems are linked is that the cells of the immune system need to circulate around the body. The circulatory system is incredibly important for this, ensuring that the cells can reach their target sites
 
        
             
        
        
        
With every other lever 10% of the energy with be transferred. In this case: 
 Primary Producers (500)
 1) First- level consumer. (50) 
 2) Second-level consumer. (5)
 3) Third- level consumer. (0.5) 
Remember the formula is:
(Primary Producer) __units X 10%= __
In this case: 500 units X 10%= 50
        
             
        
        
        
Answer:
Ari I’m not that good with this stuff, but I honestly think its D
Explanation:
Hope this helped Ari!
 
        
             
        
        
        
Yes! they would be your aunt and uncle!