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

[EX Q]: Plankton is the most common life form in the ocean.
[EX A]: What is the most common life form in the ocean?

[EX Q]: You call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission, superconductors.
[EX A]: What do you call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission?

[EX Q]: What's the term for the gradual progression from simple plants to larger more complex ones in an area?
[EX A]:
What's the term for the gradual progression from simple plants to larger more complex ones in an area?