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

Input: Consider Input: Seeds of a pine cone are easily carried by the wind and dispersed because seeds have wings.

Output: Why are seeds of a pine cone easily carried by the wind and dispersed?


Input: Consider Input: You call the hard case that surrounds the soft parts of some animals the exoskeleton.

Output: What do you call the hard case that surrounds the soft parts of some animals?


Input: Consider Input: Electron transport is the final stage of aerobic respiration, when energy from the krebs cycle is transferred to atp.


Output: What is the final stage of aerobic respiration, when energy from the krebs cycle is transferred to atp?