Question

read the passage. then answer the question.
guinea worms are a type of roundworm. immature guinea worms live in freshwater, and they are so tiny that they are visible only with a microscope. if a person drinks water that contains a worm, the worm is not digested. instead, it can take refuge in the persons body and grow up to two feet long! the mature worm creates a painful open wound in the persons skin. the person may put the wound in water to ease the pain. then the worm releases its tiny offspring through the wound, into the water. if the offspring are released into drinking water, they can get inside another persons body.
which type of relationship is formed when a guinea worm lives in a persons body?
commensal mutualistic parasitic

Explanation:

A parasitic relationship is one where one organism (the parasite) benefits at the expense of another (the host). In this case, the Guinea worm (parasite) lives in the human body (host), grows there, and causes harm (like creating a painful open wound). It does not provide any benefit to the human. A commensal relationship would be if one organism benefited and the other was neither helped nor harmed. A mutualistic relationship is when both organisms benefit. Since the worm benefits and the human is harmed, it's parasitic.

Answer:

parasitic