The table below represents a list of animals and larval stages.
| Animal | Larval stage | ||
| a. | sponges | i. | cercariae |
| b. | cnidarian | ii. | amphiblastula |
| c. | flatworms | iii. | planula |
Which one of the following options represents the combination of all correct matches:
1
a - ii, b - i, c - iii
2
a - i, b - iii, c - ii
3
a - ii, b - iii, c - i
4
a - iii, b - ii, c - i