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

Input: Consider Input: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as embryos.

Output: Invertebrates (and higher animals) can also be placed in one of two groups based on how they develop as what?


Input: Consider Input: A visual "copy" of an object that is formed by reflected or refracted light is called image.

Output: A visual "copy" of an object that is formed by reflected or refracted light is called what?


Input: Consider Input: Rock stata is stacked in layers in "layer cake geology".


Output: What is stacked in layers in "layer cake geology"?