Which among the following have open circulatory system?(i) Arthropoda(ii) Mollusca(iii) Annelida(iv) Coelenterata

Which among the following have open circulatory system?

(i) Arthropoda

(ii) Mollusca

(iii) Annelida

(iv) Coelenterata

  1. A

    (i) and (ii)

  2. B

    (iii) and (iv)

  3. C

    (i) and (iii)

  4. D

    (ii) and (iv)

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