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Bio Lab Wksht & HW Questions 55

Bio Lab Wksht & HW Questions 55 - below the leaf...

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50 The leaf consists of a flattened blade and petiole that attaches to the stem. Why are leaves flat? Are all the leaves similar in appearance? Does the lower surface of the leaf look similar in appearance to the upper surface? Why? The point at which the leaf attaches to the stem is termed the node . The regions of stem spaced between the nodes are the internodes . Look in the axils of leaves (where the petiole attaches to the stem) to locate the axillary buds . These buds give rise to branches . Will the branch be located above or
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Unformatted text preview: below the leaf? Flowers (which are actually just modified leaves) serve a reproductive function and may also be found on the shoot. The root system anchors the plant in the soil and facilitates the uptake of water and minerals from the surrounding soil. Label the long primary root and the lateral roots extending away from the primary root. How do you think the root grows through the soil, from the tip or from the base? Where are the lateral roots located, near the tip or base of the root?...
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