IN YOUR OWN WORDS!!! DO NOT USE CITATIONS!!
What is the main objective of the research?
Why were butterflies used as a model organism to study potential phenological changes in this study?
Why was it important to study both the northern (cooler) and southern (warmer) ranges for the butterflies in this research?
Did the authors suggest the models were good at predicting phenology shifts in butterflies over time (for all of the butterfly species, or just some)?