Many trees are evergreen so that plants can photosythesize right away when temperatures can rise, Many trees have needle like leaves which shape loses less water and sheds snow more easily than broad leaves, waxy coating on needles prevent evaporation, many trees have branches that droop downward to help shed excess snow to keep the branches from breaking, needles are dark in color allowing more solar heat to be absorbed.
The shape of many conifer trees helps shed heavy snow to save branches from breaking.
Needle like leaves help reduce water loss and aids in the shedding of snow.
The taiga doesn't have as many plant and animal species as the tropical or the deciduous forest biomes. It does have millions of insects in the summertime.