instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Reptiles typically reproduce sexually.
answer:
How do reptiles typically reproduce?


question:
Ectothermic vertebrates control body temperature to just a limited extent from the outside by changing behavior.
answer:
What type of vertebrates control body temperature to just a limited extent from the outside by changing behavior?


question:
Most of the food that they bring to their chicks is very rich in lipids.
answer:

Most of the food that they bring to their chicks is very rich in what?