Ii sheeg hadii ay kuwan yihiin noocyo kala duwan oo galaxy ama noocyo kala duwan oo ecosystems ah: kaymo, dhul beereed, aan caadi ahayn, wareegsan, biyaha, lamadegaanka, elliptical, tundra, badda
Noocyada kala duwan ee galaxy-yada waxaa ka mid ah: aan caadi ahayn, wareega, iyo elliptical. Noocyada kala duwan ee nidaamyada deegaanka waxaa ka mid ah: Kaymaha, Dhirta, Biyaha, Saxaraha, Tundra, iyo Badda.