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

Q: Living organisms are made up of biochemical type of carbon-based compounds.

A: Living organisms are made up of what type of carbon-based compounds?
****
Q: Biodiversity is the term for the measurement of the amount of variation of species in a given area.

A: What is the term for the measurement of the amount of variation of species in a given area?
****
Q: Mammals have four limbs and produce amniotic eggs.

A:
Mammals have four limbs and produce what kind of eggs?
****