Fact 1: Roundworms make up the phylum Nematoda. Fact 2: Within the Nematoda, a range of reproductive systems occur. Given the two facts above, where does a range of reproductive systems occur?

pick from the following. i. exoskeletons ii. Plant reproduction iii. h2o iv. shrub beds v. within roundworms vi. clouds vii. Most plants viii. gastropod shells
The answer is:
v.