Question

Why trees are grow upward?????

Answer 1

Answer:

Trees groes taller when new cells are produced at the tip of twings, causing the twings to grow longer. Trees trunks and branches grow thicker and new cell are added to beneath the bark. These cells make up vessels called xylem and phloem, they carry water and food throughout the trees.

Answer 2

Answer:

Meristems are located at the branch tip which are also called as apical meristem as a result trees grow in hieght. ...Now for these cells to divide one of the major requirement is sunlight hence to receive sunlight the branches grow upwards. Weight is balanced by tree trunk and the roots intact to the soil spreading deep.