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

Energy do ecosystems absorb on the earth.
What do ecosystems absorb on the earth?

Ribosomes are the only organelles that prokaryotic cells have.
What are the only organelles that prokaryotic cells have?

Protists organisms use cilia, pseudopods, or flagella to move.

What organisms use cilia, pseudopods, or flagella to move?