<span>The percentage of energy provided by fat when the body at rest is around 60%. The remainder of the energy provided to the body is from other nutrient sources, proteins and carbohydrates. The body uses these calories at rest for regular functions- respiration and other normal bodily processes.</span>
        
             
        
        
        
<span>Cell bodies of preganglionic neurons reside in the brain stem or spinal cord. Preganglionic neurons stimulate postganglionic neurons. i think hope it helps X)</span>
        
             
        
        
        
Im pretty sure the answer is A<span />
        
                    
             
        
        
        
Answer:
Birth, growth, reproduction, and death
Explanation:
All organisms are offsprings(birth)
All organisms grow(growth)
All organisms reproduce(reproduction)
All organisms eventually pass away(death)
 
        
                    
             
        
        
        
B) Commensalisms is the right answer