What relationship exists between a dog and its fleas?
A B C D
commensalism gradualism mutualism parasitism
Question: What relationship exists between a dog and its fleas?
(A) commensalism
(B) gradualism
(C) mutualism
(D) parasitism

Answer: (D) parasitism
Answer: (C) mutualism
Question: What relationship exists between a dog and its fleas?
(A) commensalism
(B) gradualism
(C) mutualism
(D) parasitism
Answer: (D) parasitism