instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Metabolism produces waste energy in the form of heat, which helps warm-blooded (endotherm) animals conserve and maintain heat at a relatively constant body temperature.
answer:
Metabolism produces waste energy in the form of heat, which helps what type of animal conserve and maintain heat at a relatively constant body temperature?

question:
Hydrocarbons compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization.
answer:
What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization?

question:
Ground tissue makes up most of the inside of a plant.
answer:
What makes up most of the inside of a plant?