Deciduous.
The yellow birch (Betula alleghaniensis) is deciduous.
If you mean Betula lenta, the Cherry Birch, it is deciduous.
Birch trees are deciduous.
They are, believe it or not, evergreen!
Evergreen and Deciduous. Other dichotomies would be hardwood and softwood; Dicotyledon or Monocotyledon; but the most fundamental is Gymnosperm and Angiosperm. (naked seeds or protected seeds).
It can be both deciduous and evergreen. It mostly depends on the species.
evergreen
evergreen
Evergreen
Deciduous
No.
Evergreen