Answer:
True
(I am not 100% sure because the question is very short with no context, but I believe it to be true)
 
        
             
        
        
        
Answer:
"My nutritionist measures energy content of food by using a bomb calorimeter."
Explanation
Animals humans included eat food in order to get chemical energy through cellular respiration either aerobically or anaerobically.
Therefore, food energy is the amount of chemical energy that can be derived from food.
Food energy can be measured using a bomb calorimeter and the unit of measurement is calories.
So when the client made the statement and mentioned energy content in food being measured by a calorimeter, it shows the client had an understanding on how energy in food is measured. 
 
        
             
        
        
        
Answer:
c
Explanation:
if the scientist was to look close there skin would be tightened up on the frog it is hard to see but if you look close you could see it
 
        
             
        
        
        
Animal cells don't have chloroplasts, the food-making structure found in plant cells.