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Tardigrade
Question
Biology
Tube-within-a-tube body plan is shown by
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Q. Tube-within-a-tube body plan is shown by
WBJEE
WBJEE 2007
A
coelenterates
B
platyhelminthes
C
aschelminthes (nemathelminthes)
D
porifers
Solution:
Tube within a tuber body plan is found in Aschelminthes upto Chordata in this the body of an animal has two tubes, one is formed by body wall and second is formed within it by the digestive tract.