TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: In pupa stage of their life cycle do insects begin developing their wings.

SOLUTION: In what stage of their life cycle do insects begin developing their wings?

PROBLEM: Thermoregulation is the process when animals maintain an internal temperature.

SOLUTION: What is the process when animals maintain an internal temperature?

PROBLEM: Water at the surface of the ocean absorbs more energy from the sun of the following is the main reason water at the surface of the ocean is warmer than water at the bottom of the ocean.

SOLUTION:
Which of the following is the main reason water at the surface of the ocean is warmer than water at the bottom of the ocean?