The peristalsis
To stop the food going off/rotten, also some foods taste better cold. Mostly it is to keep food fresh though.
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to keep bugs off the food!!
Well if its spoiled or "gone off" its bad, why keep it?
Gullet
You srape off peices and keep going until you find it. You srape off peices and keep going until you find it.
To keep their food from going bad.
The sump pump breaker alarm will keep going off if it is being overloading. This is usually a result of a failing pump or a clogged filter.
It's better to pay off your mportgage.
1234
because of your signal
The disadvantage is that your only going to to eat and multiply(the population of what ever is at the top of the food chain is going to keep growing). ;)