The Dicotyledonous Stem and Secondary Thickening

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In this live Grade 10 Life Sciences show we take a close look at the Dicotyledonous Stem & Secondary Thickening. In this lesson we revise the structure of the dicotyledonous stem, we discuss primary grown & secondary thickening, we look at annual rings as well as consider the difference between autumn wood and spring wood. Finally, we take a quick look at related terminology.
Revision Video