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  • Do you agree that regional and local variations exist within each biome? Substantiate your answer with suitable example.

Do you agree that regional and local variations exist within each biome? Substantiate your answer with suitable example.

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A biome is a climatically and geographically contiguous area with similar climatic conditions. Both organic and inorganic components are similar in a particular type of biome. However, regional and local variations exist within each biome. To understand this, let us consider the following examples.

Coniferous forest is a type of biome which mainly contains trees which bear cones with seeds inside. In all the coniferous forests around the world, coniferous trees are the main plant species. However regional variations exist in coniferous forests. The coniferous forests of North America are dominated by black spruce. On the other hand, the coniferous forests of northeast Europe are dominated by Norway spruce. The forests of Siberia are dominated by pine. This shows regional variations in a particular type of biome.

In the case of coniferous forests, the canopy is so thick that negligible sunlight reaches the ground. This results in sparse vegetation on the ground. The dense canopy on top and sparse vegetation at the ground show local variations in a particular type of biome. 

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