WAEC Biology 2009 Question 31

Question 31

Ecological Associations

Which of the following organisms is an endoparasite?

  1. A.Mice
  2. B.Mosquito
  3. C.Ascaris
  4. D.Dodder
Show the answer and explanation

Answer: C (Ascaris)

Explanation

Ascaris (roundworm) lives inside the host's intestine, so it is an endoparasite; mosquitoes and dodder feed from the outside.