BIOXI04: ANIMAL KINGDOM
332937
In platyhelminthes, digestive system is incomplete because
1 It has suckers and hooks in parasitic form
2 It absorbs food from general body surface
3 It has only one opening that serves as mouth and anus
4 All of the above
Explanation:
In platyhelminthes, the digestive system is incomplete because it has only one opening that serves as mouth and anus.