Q: Fact 1: Roundworms reproduce sexually. Fact 2: Sexual reproduction involves karyogamy and meiosis. Given the two facts above, roundworms reproduce using meiosis and what?

Pick your answer from: (I) karyogamy; (II) pollen; (III) survive; (IV) reproduce; (V) allow growth; (VI) Energy; (VII) Leptospirosis; (VIII) seeds;
The answer is:
(I)