No...There are many species of trees without leaves. It's perfectly normall!
Trees lose their leaves all the time, but rainforests do not shed their leaves all at once.
Deciduous trees lose all their leaves in the Autumn.
All trees have leaves.
All deciduous trees lose their leaves in winter for various reasons not just frozen winters.
No they do not because all the trees there are evergreens
Deciduous leaves! There are lots of different types of deciduous trees and they all have different leaves.
All trees loose their leaves. Some do so a little at a time and are called "evergreen trees." Other trees loose their leaves all at once, usually in the autumn,, so the loss is very noticeable. These are called deciduous trees.
Those are called artificial trees. Evergreen trees do not lose all their leaves at the same time, but DO lose leaves (needles).
no
As with all other trees foliage covers it.
All pine trees have flowers but they are insignificant.
Both maple and elm trees are deciduous, meaning they lose their leaves in the fall and regrow them in the spring. They do not keep their leaves all year round.