waagii baahiyosooik

(m.l)

(waayahii ..., m.l) (jool.) Waagii hore ee nolosha, waa kan ugu horreeya saddex qaybood ee waaweyn ee taxanaha waqtiga jiyoolojiyeed (ee ka dambeyay kambiriyan-ka-horreeyaha). Kolkaas oo muddooyinka taariikhda dunida ka mid ah kana horreeyay waagii mesosooigga wuxuu kalabaxsanyahay laga billabo 600 oo milyan ilaa 200 oo milyan oo tagtay.

Erey(o) la macne ah ereygan ama xiriir la leh waagii baahiyosooik ↴