Answer:
Natural selection.
Explanation:
Natural selection is when organisms who are most adapted to their environment survive and pass on their genes while those with "unfit" genes die and don't get the chance to reproduce! This slowly creates a population that is most well suited to their habitat. Hope this helps again LOL! :)
Answer:Cholecystokinin
Cholecystokinin stimulates the gallbladder to contract and release stored bile into the intestine.
Explanation:please give brainliest
Answer:
Peristalsis moves the food along the digestive tract.
Explanation:
brainliest?
The ear has the tinest bones in the body. There are three bones in the ear. Hopes this helps you.
