12) Basic Overview of Plant Structures

12 Basic Overview - AP Biology Basic Overview of Plant Structures For the plant system we can divide into either shoot system or root system Figure

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AP Biology Basic Overview of Plant Structures - For the plant system, we can divide into either shoot system or root system – Figure 1 1) Shoot system = the part that is above the ground a) Stem = transport substances via vascular tissues; attach leaves Node = a point where the leaves attach to in the stems Internode = a distance between nodes Axillary bud = a part where it can be developed into braches in lateral Apical bud = also known as terminal bud, a bud at the tip of a plant stem that causes elongation of plants ** Apical dominance = the inhibition of axillary buds by an apical bud By concentrating the nutrients or substances toward where it is necessary, the plant can elongate rather than undergoing secondary growth (widening its size in diameters) This explains why gardeners always prune (pinch off) trees for the growth b) Leaves = photosynthetic organs that undergo gas exchanges through stomata (carbon dioxide and oxygen) Covered by waxy coated layers called cuticles
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This note was uploaded on 02/11/2012 for the course ZOOLOGY 152 taught by Professor Stephengammie during the Fall '11 term at Wisconsin.

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12 Basic Overview - AP Biology Basic Overview of Plant Structures For the plant system we can divide into either shoot system or root system Figure

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