Releasing insulin to decrease blood sugar and releasing glucagon to increase blood sugar
        
             
        
        
        
Answer:
Even a slight reproductive advantage will eventually lead to the elimination of the less well adapted of two competing species.
 
        
             
        
        
        
Answer:
D. "always" cover the microscope when not in use.
Explanation:
when you are finished using a light microscope or any microscope in general you always need to put the cover back on it. Mostly, to protect it from any harmful bacteria, light etc. and to keep it clean and, from collecting dust.
 
        
             
        
        
        
The nurse have noted that the patient might have anorexia nervosa due
to low body mass index, due to malnutrition a delayed onset of menstruation may
result. Anorexia is an eating disorder characterized by low weight and a strong
desire to be thin. Another assessment finding is that the patient might have
type 1 diabetes mellitus where there is a risk of developing amenorrhea caused by interruption in the
hypothalamic-pituitary-ovarian-uterine axis.