A) stenoteles
B) volvents
C) desmonemes
D) atrichous isorrhiza
Correct Answer: D
Solution :
In looping movement the body first extends and then bends over. Due to this tentacles attach to the substratum with the help of adhesive glutinant nematocysts. This movement is similar to the looping movement of a caterpillar or leech.You need to login to perform this action.
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