TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The newest, outer layers of secondary xylem are called sapwood.

SOLUTION: What are the newest, outer layers of secondary xylem called?

PROBLEM: You call elements that contain only atoms of one type of element native elements.

SOLUTION: What do you call elements that contain only atoms of one type of element?

PROBLEM: Prokaryotic organisms reproduce asexually through binary fission.

SOLUTION:
How do prokaryotic organisms reproduce asexually?