instruction:
Given a scientific question, generate a correct answer to it.
question:
What is the term for a symbiotic relationship in which one species benefits while the other species is not affected?
answer:
commensalism

question:
What term refers to the sequence of community and ecosystem changes after a disturbance?
answer:
ecological succession

question:
Hurricanes that form in the tropics are called what?
answer:
tropical cyclones