Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Ex Input:
Question: In hornworts, the horns are the sporophytes that rise up from what? Answer: the leaflike gametophyte

Ex Output:
Jason Hollinger. In hornworts, the horns are the sporophytes that rise up from the leaflike gametophyte . CC BY 2.0.

Ex Input:
Question: What is the average kinetic energy of particles of matter? Answer: temperature

Ex Output:
Temperature is the average kinetic energy of particles of matter.

Ex Input:
Question: The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived? Answer: mass extinction

Ex Output:
After each mass extinction, new species evolve to fill the habitats where old species lived. This is well documented in the fossil record.