Anjellomorataid
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differentiate complete digestion to incomplete digestion ?

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Anniecaid
A Complete Digestion are animals that there opening is two , the mouth and the anus (all insect are complete digestion) when the food process on them the food will digest straightly through the anus.
An Incomplete Digestion are animals that there opening is only one, there digestive is  incomplete they have no anus at all. such as Cnidarians (hydra), and platyhelminthes,
Ateeyeshaid
a complete digestion is a digestion that there digestive system is fixed, they have two openings the mouth and the anus. they eat through the mouth and straightly goes down through the anus. all the insect have them.
an incomplete digestion is a digestion that there  digestion is incomplete, they have one opening the mouth only, they have no anus, the mouth function as anus. example are cnidarians and platyhelminthes.
are a snake incomplete digestion? the rate of digestion is dependent of body temperature because they are cold-blooded animals. 

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