Tube-within-a-tube body plan is shown by

Question

Tube-within-a-tube body plan is shown by (A) coelenterates (B) platyhelminthes (C) aschelminthes (nemathelminthes) (D) porifers

Tardigrade Admin · Accepted Answer

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.

Q. Tube-within-a-tube body plan is shown by

coelenterates

platyhelminthes

aschelminthes (nemathelminthes)

porifers

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.