Peristaltic movements are involuntary movement occur due to the longitudinal and circular muscle.Peristaltic waves helps in the passage of food from one point to another during the process of digestion.
Peristaltic waves occur mainly due to muscular contraction. These contractions propel the contents from one location to another. These waves occur in stomach, intestine and esophagus.
Explanation: The process by which pollen is delivered to the ovule of a gymnosperm or the stigma of an angiosperm. And a pollinator is an organism or other agents such as wind or water that transfers pollen from one plant to another; most commonly applied to organisms. hope this helps!
