Thorns, spines, and tendrils are so highly modified that it can be difficult to tell whether they
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Thorns, spines, and tendrils are so highly modified that it can be difficult to tell whether they derive from leaves or stems. How could a biologist use his or her knowledge of plant anatomy to determine their origin?
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1 Thorn is a modified pointed stem Its origin is axial from the stem 2 Spines ...View the full answer
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