AIMO Stem Model of Monocotyledons Biology Educational Teaching Model beige
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Feature: 1. This model is suitable for teaching visual aids used in the construction of monocotyledonous stems in secondary school biology teaching. 2. PVC material production, light, strong, not easy to break. 3. The structure is simple, easy to operate and clean. 4. The arrangement, morphological structure, coloring, and differentiation of the three organizational systems are obvious. 5. The cells of the basic tissue are parenchyma cells, and their arrangement gradually increases from the outside to the inside. 6. The catheter is V-shaped, the larger one on both sides is a perforated catheter, and the tip end is a ring and a threaded catheter; the vascular bundle is small and many on the edge, and the inner surface is large and small. Spe
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