Which of the following have an open circulatory system?
(i) Arthropoda (ii) Mollusca
(iii) Annelida (iv) Cnidaria
1
(i) and (ii)
2
(i) and (iii)
3
(ii) and (iv)
4
(ii) and (iii)
Which of the following have an open circulatory system?
(i) Arthropoda (ii) Mollusca
(iii) Annelida (iv) Cnidaria
(i) and (ii)
(i) and (iii)
(ii) and (iv)