Yes.
no
no they don't have a natural system
Obviously they use their highly effective sense of smell to locate their food, but they also can use their memories to locate their food storage area both in their cages and in the wild.
An incredible sense of smell and the ability to detect the minute electromagnetic fields created by the movement of living things.
Natural Instinct --------------- A duck uses its sense of smell and its vision to locate food.
no it farts
Natural Resource Systems
Natural Variation is decreased versions, of these organs adapted to reinforce a particular individual's place in a niche, (like a bat having enhanced hearing to locate food)
a female boa constrictor lays eggs and when the egg hatches a baby boa constrictor is born, then the baby snake goes and learns how to hunt for food and then he lives his own happy and thrilling life in the tropical forests.
The main purpose of the pharyngeal constrictor muscles is to allow food received through the larynx to pass through the esophagus. this is achieved when the elevator muscles relax, the pharynx descends and the constrictors contract upon the bolus of food. Bolus- a mass of food that has been chewed.
Because Antarctica is too cold to sustain a natural, native food chain, all food consumed by workers in Antarctica is imported by their government's logistical systems.
Pharyngeal constrictor muscles (superior, middle and inferior)