What is the relationship between the leaf and the tree

var. menziesii) ranging in height from 13 to 62 m (aged 20–450 years). Al:As declined substantially as height in- creased (P=0.02). Our test of the hypothesis that Al:As declines with tree height was extended using a combina- tion of original and published data on nine species across a range of maximum heights and climates. Meta-analysis of 13 whole-tree studies revealed a consistent and signif- icant reduction in Al:As with increasing height (P<0.05). However, two species (Picea abies and Abies balsamea) exhibited an increase in Al:As with height, although the reason for this is not clear. The slope of the relationship between Al:As and tree height (∆Al:As/∆h) was unrelated to mean annual precipitation. Maximum potential height was positively correlated with ∆Al:As/∆h. The decrease in Al:As with increasing tree size that we observed in the majority of species may be a homeostatic mechanism that partially compensates for decreased hydraulic con- ductance as trees grow in height.

Explanation:

A leaf stores energy to use and so does the tree

Explanation:

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c. in order of atomic number