Final answer:
Parasitism is a symbiotic relationship where one species benefits and the other is harmed.
Step-by-step explanation:
A symbiotic relationship in which one species benefits and the other is harmed is known as parasitism. In this type of relationship, the parasite benefits by obtaining resources from the host, while the host is negatively affected. An example of parasitism is ticks feeding on the blood of mammals, such as dogs or humans.
Learn more about Symbiotic relationships