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

[EX Q]: Sporopollenin protects the pollen of seed plants and spores of seedless plants.
[EX A]: What protects the pollen of seed plants and spores of seedless plants?

[EX Q]: Comparing genome sequences provides clues to evolution and development.
[EX A]: Comparing what sequences provides clues to evolution and development?

[EX Q]: Correlation is different from causation term that refers to the factor that is producing the effect.
[EX A]:
Correlation is different from what term that refers to the factor that is producing the effect?