instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Cell -> tissue -> organ -> organ system sequence represents the correct levels of organization for multicellular organisms.
answer:
Which sequence represents the correct levels of organization for multicellular organisms?


question:
Sporopollenin protects the pollen of seed plants and spores of seedless plants.
answer:
What protects the pollen of seed plants and spores of seedless plants?


question:
According to the law of conservation of energy, energy can never actually be “consumed”; it can only be changed from one form to another.
answer:
Fuels according to the law of what, can never actually be “consumed”; it can only be changed from one form to another?