Given below are a few statements related to external fertilization. Choose the correct statements.
i. The male and female gametes are formed and released simultaneously.
ii. Only a few gametes are released into the medium.
iii. Water is the medium in a majority of organisms exhibiting external fertilization.
iv. Offspring formed as a result of external fertilization have better chance of survival than those formed inside an organism.
(a) iii and iv
(b) i and iii
(c) ii and iv
(d) i and iv .