Round+Worm-+Mermis+Nigrescens


 * Common Name:** Round Worm[[image:http://content10.eol.org/content/2009/07/24/06/55220_large.jpg align="right"]]
 * Scientific Name:** //Mermis nigrescens//
 * Class:** Adenophorea
 * Location:** British Isles, North America, and Europe
 * Size:** Microscopic to 20cm
 * Description of Habitat:** Mermis Nigrescens live buried in the soil. The species is more frequently found in grasslands, meadows, clearings, and other well-vegetated but not tree-covered habitats.
 * Living Requriements:** Feeds on grasshoppers, locusts, and other insects. Must live in cool and humid climates at all times.
 * Life Cycle of Animal:**

=
Larvae:An ingested, fertilized roundworm egg hatches in its host's small intestine and penetrates the intestinal wall. Roundworm larvae molt twice before [|becoming an adult].=====

Adult:Roundworms reach adulthood and start mating in about 2 to 3 months. Roundworms can live up to 2 years.
Male, 40-50 mm. Males are apparently much less common than females 1. Mermis Nigrescens have four layers ,endocuticle, epicuticle, exocuticle, and mesocuticle 2. Females remain in the soil until they emerge when they are pregnant. 3. Females produce 240,000 eggs a day Humans have no impact on round worms but they do have a physical and mental effect on humans.
 * Male and Female Differences:**Females of Mermis nigrescens are cream to brownish-black in colour. Female, 80-200 mm.
 * Interesting Facts**
 * Endangered or Threatened?** Not endangered or threatened
 * Human Impact on Organism:**



[] [] [] Zookeeper: Jessica Tolliver
 * Sources**