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

Q: Altricial organisms are helpless at birth and require lots of help from their parents.

A: What type of organisms are helpless at birth and require lots of help from their parents?
****
Q: Radioactive decay can give off energy and particles.

A: Radioactive decay can give off energy and what else?
****
Q: In humans, the sperm cell is the only cell with the  flagella structure that enables motility.

A:
In humans, the sperm cell is the only cell with what structure that enables motility?
****