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

Example Input: Ecological pyramids can demonstrate the decrease in energy, biomass or numbers within an ecosystem.
Example Output: What can demonstrate the decrease in energy, biomass or numbers within an ecosystem?

Example Input: Sexual reproduction, in general, relies on sets of cells that are precursors for eggs and sperm.
Example Output: What kind of reproduction, in general, relies on sets of cells that are precursors for eggs and sperm?

Example Input: The embryo develops in a plant inside the female plant after fertilization.
Example Output:
Where does the embryo develop in a plant?