A forest is a large area of land covered with trees or other woody vegetation. They're
complex ecosystems in which plants and animals coexist with one another. Trees are the dominant species in forest ecosystems and are important to maintaining a healthy planet. Forests are the dominant terrestrial ecosystem on Earth, and are distributed across the globe.
http://en.wikipedia.org/wiki/Forest
- Tress can live for thousands of years and grow hundreds of meters tall.
- The Boreal forest (aka Taiga) is the largest land habitat on the planet
- More than 25% of the medicines we use originate in rainforest plants