The increase in girth associated with production of wood and bark in trees occurs as a consequence of

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Quizplus · Accepted Answer

Secondary growth is responsible for the increase in girth or thickness of trees through the production of wood and bark. Primary growth is responsible for the elongation or growth in length of stems and roots. Growth in apical meristems also contributes to primary growth, while indeterminate growth refers to the continuous growth exhibited by some plants throughout their lifespan.

The Increase in Girth Associated with Production of Wood and Bark