EVERYDAY SCIENCE

Detailed explanation-1: -Parasitism. The tick derives benefit while the dog is harmed.

Detailed explanation-2: -The relationship between the bacteria and the ticks is commensalism, and the relationship between the ticks and the humans is parasitism.

Detailed explanation-3: -Parasitism occurs when one species benefits from the interaction while the other is harmed. Ticks and some mammals, like deer or mice, have a parasitic relationship. Ticks feed on the blood of their host, which can harm the host and even transmit diseases. The tick benefits while the deer is harmed.

Detailed explanation-4: -Ticks are blood-sucking parasites that attach themselves to animals and people. Once attached to a host, ticks feed voraciously. As they feed, ticks can transmit a large number of diseases, including Rocky Mountain spotted fever, ehrlichiosis, Q fever, and Lyme disease.