Question

multiple - choice question
the barnacles and the whale are an example of which type of symbiosis?
commensalism
mutualism
parasitism

Explanation:

Barnacles attach to whales. Barnacles benefit by getting a place to live and access to food - rich water as the whale moves, while the whale is neither helped nor harmed. This is the definition of commensalism.

Answer:

A. Commensalism