Name the following :
1. The uppermost branches and leaves of tall tree which act like a roof or umbrella over the smaller trees.




2. The layer of vegetation in a forest just below the uppermost layer.




3. The region in the forest which receives scanty light and is damp,warm and dark.




4. The removal of top fertile soil from a region by wind,rain or running water.




5. Evaporation of water into the atmosphere from leaves.