Given a scientific question, generate a correct answer to it.

[Q]: Why does the fish odour diminish when you put lemon juice over cooked fish?
[A]: due to neutralization

[Q]: What is indicated by the ratio of the output force to the input force in a machine?
[A]: mechanical advantage

[Q]: What do we call structures that are similar in related organisms because they were inherited from a common ancestor?
[A]:
homologous