TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Wave amplitude and wavelength are two important measures of wave size.

SOLUTION: Wave amplitude and wavelength are two important measures of what?

PROBLEM: Ribosomes are the only organelles that prokaryotic cells have.

SOLUTION: What are the only organelles that prokaryotic cells have?

PROBLEM: Terrestrial biomes are classified by climatic factors and types of primary producers.

SOLUTION:
What are classified by climatic factors and types of primary producers?