Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: A moose eats a plant is an example of a living thing that depends on another living thing to survive.
[EX A]: Which statement best identifies a living thing that depends on another living thing to survive?

[EX Q]: The size and symmetry of a beetle's or an elk's antlers or a grasshopper's song communicate rather clearly their state of health.
[EX A]: The size and symmetry of a beetle's or an elk's antlers or a grasshopper's song communicate rather clearly their state of what?

[EX Q]: When liquid water changes to water vapor it is called evaporation.
[EX A]:
When liquid water changes to water vapor it is called?