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

[EX Q]: Springs or geysers do we call heated groundwater that erupts from the ground under pressure.
[EX A]: What do we call heated groundwater that erupts from the ground under pressure?

[EX Q]: Stem basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures.
[EX A]: What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?

[EX Q]: Placental mammals give birth to relatively large fetuses.
[EX A]:
Do placental mammals give birth to relatively small or large fetuses?