Slide 1; link between the digestive tract (form) and the type of intellectual nourishment eaten (function)
Food: needed for energy, does wad occur in the communicate, for birds solid food is swallowed whole and masticated in the stomach.
nourishment Habits: supply doesnt occur all the time. The snake take in a dear and doesnt eat again for a year. Food is stored in the stomach.
Food needs to be trim back mechanically (breaking it apart physically), chemical breakdown into molecular structures, soaking up occurs in the small catgut.
Buccal cavity Mouth, a qualifying way for food, in fish its just to pass food to the stomach. For humans the buccal cavity is actually the sight for digestion of starch for example.
The digestive system: the alimentary canal is what you would generally adopt to be the alimentary canal stomach does protein digestion
Small intentine major area for nutrient absorption, large intestine you absorb piss from the food. Some anmals however have developed the large intestine as a fermentation sight.
The buccal cavity:
The inherited vertebrates: agnathans, filter feeders do not have teeth
NB.. suction in feeding usually occurs in water, using air to see food isn`t very easy!
lol
Primitive weight Feeding mechanism
Ram feeding, the axial muscles opens the mouth wide ( gape of the mouth), the don`t join on the size of their mouth, nor produce suction. figure at the different muscles and which ones are responsible for opening the mouth for feeding.
Shark Feeding Habit: Ram and suction feeding
Bony fishes Osteichthyes: Advanced teleost
Protusion of the jaw, elevation of the front mint of their skulls. Buccal cavity quickly increase in size.Suction draws food in. The arrows on the slide shows what bones move where to open th mouth.
Tetrapods:
Feeding is similar to fishes
The mandible opens up (depression), sudden increase of the mouth pulls in (suction) the food
Terrestrial feeder
Neck activity.
Mammals
Feeding in air doesnt...If you want to get a full essay, state it on our website: Orderessay
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