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

Input: Consider Input: Salt-water biomes in the ocean are called marine biomes.

Output: Salt-water biomes in the ocean are called what?


Input: Consider Input: Cells are the  basic building blocks of the human body.

Output: What are the  basic building blocks of the human body?


Input: Consider Input: Larval stage developmental stage do alligators lack that most other amphibians have.


Output: What developmental stage do alligators lack that most other amphibians have?