Here's why:

* Dominant plants: Boreal forests are characterized by coniferous trees like fir, spruce, and cedar. These trees have needle-like leaves and are adapted to cold climates.

* Height: These trees often grow very tall, forming dense, closed canopies that block sunlight from reaching the forest floor.

* Location: Boreal forests are found in high northern latitudes, spanning across vast regions of Canada, Russia, Scandinavia, and Alaska.

Let me know if you have any other questions about biomes!