Yes, they ate the only mammals which could fly because flying squirrels, possums or etc. could only glide for a short distance and time, unlike bats. There are no reptiles who could fly, but there are reptiles who could glide which I think is completely different. But they said that Pterosaur existed which they believed it is a flying reptile dinosaur. Just look it up. :)
Forest fires promote regrowth, clear cut has to be replaced
Monerans, now known as bacteria, have many beneficial effects. Some, such as the species that live in the intestines