Question

Ascaris lumbricoides is an example of an endo-parasite.

1. The name Ascaris refers to: 
2. State the habitat of the organism
3. State three ways in which the organism is adapted to living in its habitat. 

Answer 1

1. Genus
2. Ileum/colon/duodenum/intestine/of humans or intestines of pig.
3.  
   1. Lack of elaborate alimentary canal (simple guts) hence suck digested food.
   2. Can tolerate low oxygen concentration.
   3. Thick cuticle to prevent digestion by enzymes.
   4. Lays many eggs to increase chances of survival.
   5. Mouth parts for sucking partly digested food.