(A) (B) (C) (D) |
A) [A] and [D] respire mainly through body wall
B) [B] and [C] show radial symmetry
C) [A] and [B] have cnidoblasts for self-defense
D) [C] and [D] have a true coelom
Correct Answer: D
Solution :
From phylum-Arthropoda to phylum-Chordata, all are eucoelomate. In option [C]. Octopus, a mollusc, is bilaterally symmetrical, triploblastic and coelomate animal. In option [D], scorpion, an arthropod, is bilaterally symmetrical, triploblastic, segmented and coelomate animal.You need to login to perform this action.
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