A) Hemichordata
B) Aschelminthes
C) Platyhelminthes
D) Ctenophora
E) None of the Above
Correct Answer: E
Solution :
: Hemichordata, Aschelminthes and Platyhelminthes show organ system level of organisation, i.e., organs get associated to form functional systems, each system concerned with a specific physiology function. Ctenophores have tissue grade level of organisation but are biradially symmetrical, i.e., (radial + bilateral).You need to login to perform this action.
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