Match List - I with List - II

Answer

B

Explanation

• Metamerism is commonly seen in the members of phylum Annelida where the body is externally and internally divided into segments with a serial repetition of at least some organs.
• Water canal system is present in the members of phylum Porifera.
• The body of ctenophores bears 8 external rows of ciliated comb plates which help in locomotion.
• Cnidoblasts or cnidocytes are characteristic feature of cnidarians (coelentrata).