Do Parasitic Roundworms Have A Reproductive System?

Do Parasitic Roundworms Have A Reproductive System? Roundworms reproduce sexually. Sperm and eggs are produced by separate male and female adults. Fertilization takes place inside the female organism. Females lay huge numbers of eggs, sometimes as many as 100,000 per day! What organ systems do roundworms have? Unlike flatworms Do parasitic roundworms have a digestive