Ascaris:
- The human intestine is home to the parasite Ascaris.
- These worm's larvae and adults can result in intestinal illness and are found in the small intestine.
- Ascaris's fertilized eggs are tiny, oval, or spherical, tan in color, and hardly visible to the unaided eye.
- The size of these roundworms in humans is what distinguishes them.
- Male Ascaris have sharply pointed tails and a ventrally curved posterior end as distinguishing features.
- Male intestinal roundworms have a length of 15–31 cm and a diameter of 2–4 mm.
- The anterior end of the female Ascaris has a vulva that extends for one-third of the length of the body.
Final answer: Ascaris is a parasitic worm.