A
forest is an area with a large density of
trees. Forests can be found in all regions capable of sustaining tree growth. Forests generally contain a large number of different trees growing to different heights, combined with an underbrush
?, which makes most use of sunlight. A forest in its natural form is home to many animal and plant species (known as a
biome, and the weight of the biomass
? in any given square kilometre is high compared to other biomes.
Several types of forest exist. Among them can be noted the taiga and the rain forest.