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

[Q]: Saturated hydrocarbons hydrocarbons contain only single bonds between carbon atoms.
[A]: What hydrocarbons contain only single bonds between carbon atoms?


[Q]: Electric motors transform electrical energy into kinetic energy.
[A]: Electric motors transform electrical energy into what other form of energy?


[Q]: Endotherms is the term for organisms that can maintain a stable body temperature even in the face of large fluctuations in the environmental temperature.
[A]:
What is the term for organisms that can maintain a stable body temperature even in the face of large fluctuations in the environmental temperature?