A 15-foot tree growing in a fence row is used as a fence post to which barbed wire is stapled at a height of 5 feet.Years later,the tree is 30 feet high.The barbed wire of the fence is embedded in the tree bark at
A)5 feet high,since the lengthening of the trunk occurs at the apical meristem.
B)15 feet up,since the tree doubled in height.
C)20 feet up,still 10 feet from the top of the tree.
D)20 feet up,but because it added 15 feet to the original 5-foot height.
E)10 feet up,half of the increase in size; the second half is an increase in the girth of the tree.

Question

Quizplus · Accepted Answer

The barbed wire remains at 5 feet high because trees grow in height from the apical meristem, which is located at the tips of the branches and trunk, not from the base.

A 15-Foot Tree Growing in a Fence Row Is Used