jueves, 21 de febrero de 2013

IPC 3rd grade SAVING THE WORLD "Rainforests"

Saving the world  Rainforests

LianasNinety per cent of the world's vine species grow in tropical rainforests. Lianas are a type of climbing vine found throughout tropical rainforests. They have thick, woody stems and come in various lengths (up to 3,000 ft) and varying shapes. They begin life on the forest floor but depend on trees for support as they climb upwards towards the sunlight they need for survival. They do this by attaching themselves to trees with sucker roots or tendrils and growing with the young sapling, or they climb by winding themselves round the tree's trunk.

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