Tree increases each year m 

 'height and spread of branches 

 by adding on new growth of 

 twigs 



CROWN 



Air .Supplies carboTij 

 1V*b principalftood o?' 

 the treo.TakeAtirfoo: 

 under surface of 

 leaves 



Light end heat 

 necessary for 

 chemical changes 



Root Tf pa or root ha ■ ra -Take 

 up -water containing smelJ 

 quantity of minerals t» ' 



solution 



MOW THE TREE GROWS 



The buds roc* tips and cambium layer- are the growing parts of The tree 

 Vyater contain. ng a smal' quanTiTy of minerals'm solution is absorbed by the 

 £pots cameo upthroughtne sapwood to The leaves and'There combined with 

 .Carbon "from the ai^To make food This food is earned by The mn^t bark To a-l) 

 growing parrs of the tree even down To The rooT-Tlps 



