Answer:
 The number of double bonds in the fatty acid chain
 
        
             
        
        
        
Answer and Explanation:
A couple of hours after the death of an individual or creature, the joints of the body solidify and become secured. This solidifying is called rigor mortis.  
Contingent upon body temperature and different conditions, rigor mortis endures roughly 72 hours.
The partial contraction of the skeletal muscles leads to the occurrence of this phenomena.
 
        
                    
             
        
        
        
Answer:
Antelopes play an important role in the ecosystems they are a part of. Like many other species, they help maintain biodiversity, which will ensure sustainability for all organisms in the ecosystem. The natural predators that feed off of antelopes, for example, would lose their source of food.
Explanation:
 
        
                    
             
        
        
        
C. pass those traits on to future generations