Trees

Trees are an important part of our world.  They provide wood for building and pulp for making paper.  They provide habitats (homes) for all sorts of insects, birds and other animals.

  Trees come in all sorts of different shapes and sizes. There is an incredible diversity of tree species around the world. In Canada, there are about 180 species of trees as well as about 5 000 other plant species in almost 400 million hectares of forested and tree covered land – all a part of the ecosystem that provide habitats for an estimated 140 000 species of animals, plants and microorganisms. The two categories of trees are known as coniferous and deciduous.

As trees get older they grow taller, wider, and deeper. Trees grow taller by growth from new cells at the tips of their branches. They also grow deeper in the form of roots in the ground which collect water and nutrients from the soil.

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