Mesozoic Era is subdivided in to following number of periods?

Mesozoic Era is subdivided in to following number of periods?

مسواک دور کو ادوار کی درج ذیل تعداد میں تقسیم کیا جاتا ہے؟
Explanation
  • The Mesozoic Era is subdivided into three periods: Triassic, Jurassic, and Cretaceous.
  • This era is known for the dominance of dinosaurs and the development of early mammals and birds.