<human>: Question: What event produced further adaptations during  the Jurassic and Cretaceous periods?

Is By the end of the Cretaceous, angiosperms dominated tree floras in many areas, although some evidence suggests that biomass was still dominated by cycad and ferns until after the Cretaceous–Paleogene extinction. a good answer to this question?

OPTIONS:
- yes
- no
<bot>: no