TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Hookworms infest the intestines.

SOLUTION: What part of the body do hookworms infest?

PROBLEM: Ectothermic vertebrates control body temperature to just a limited extent from the outside by changing behavior.

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

PROBLEM: Rhizoids did roots evolve from that plants used for aborption.

SOLUTION:
What did roots evolve from that plants used for aborption?