basically Peristalsis is the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wavelike movements that push the contents of the canal forward.
<h2>Peristalsis:</h2><h3>The rhythmic movement of muscles by contraction and relaxation that helps to move the food bolus forward so that food can go down to the oesophagus/food pipe is called peristalsis.</h3>
a lack of resources cause organisms to fight for the resources and some organisms use said resources to obtain what they need to survive such as how predators act around a water hole.