Question: Due to hotter, drier conditions (associated with climate change) and fire suppression, fires in ponderosa pine forests of Colorado are now more likely to be higher in severity. How are these changes affecting secondary succession? Group of answer choices Warming temperatures and drought are speeding up post-fire regeneration of trees. Some previously forested areas are being replaced by grasslands or shrublands. Grasslands are now gradually transitioning into forested areas. None of these are occurring.