Living things:
-made of cells
-reproduce
-react to environment & surroundings
-adapt
-get & use energy
-grow and develop
Answer:
carbohydrates
Explanation:
because they are energy providing foods
The correct option is D. Organisms work best at their optimum temperature and pH, above and below these temperature they will not be able to function as expected. It is possible that the students above use different temperature and pH when they were carrying out their experiments, this will result in different efficiency rate by the yeasts.