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(a) Ascaris;
(b) Intestines of humans/Pig Acc. large intestine/duodenum.
(c) Adaptations:
- Has two hosts to ensure survival;
- Lays numerous eggs to increase chances of survival;
- Has thick cuticle which protects it against digestive enzymes of the host;
- Eggs have a protective shell to survive harsh environmental conditions;
- Has tissues tolerant to low oxygen/can survive under low oxygen concentration;
- Produce anti-enzymes to counteract the effect of the hosts enzymes;
- Has a muscular pharynx through which it sucks digested food from the hosts intestine;
d) Prevention
- Proper sewage disposal/proper use of toilet facilities;
- Maintain proper personal hygiene/washing hands after visiting the toilet;
- Boiling/treating drinking water;
- Proper cleaning of vegetables and fruits;
johnson mwenjera answered the question on February 11, 2018 at 16:47
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