If a Storm Breaks Off the Top of a Tree

question 46

Multiple Choice

If a storm breaks off the top of a tree, within a year or two, one of the lower branches will grow upward and become the new tree top, while inhibiting other branches from doing the same. This is an example of

• A) phytochrome inhibition.
• B) the presence of cytokinins.
• C) the influence of ethylene.
• D) the formation of an abscission layer.
• E) apical dominance.

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Definitions:

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