D. all of the above hope it helos
Answer:
The correct answer to fill in the blank is: has trouble digesting food.
Explanation:
Cholecystokinin (commonly abbreviated as CCK) is a hormone produced in the gastrointestinal system with <u>the function to stimulate the release of digestive enzymes from the pancreas and bile from the gallbladder in order to help with the digestion of fats and proteins</u>.
If Amanda can't produce cholecystokinin, she will have trouble digesting her food.
The answer i think is gene and i can garantee
it is correct
By using the decayed plant materials to create other healthy plants.