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

Example Input: Like mitochondria, plastids contain their own dna.
Example Output: Like mitochondria, plastids contain their own what?

Example Input: Eyespots do the cells in the front of a volvox typically develop to help swim towards light.
Example Output: What do the cells in the front of a volvox typically develop to help swim towards light?

Example Input: Are ecotones wide or narrow?
Example Output:
Are ecotones wide or narrow?