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Unformatted text preview: 4) Apical Meristems a) Apical Meristems = Localized regions of cell division at the tips of shoots and roots (covered by epidermis) b) Significance = It will increase exposure to the environmental resource (water and minerals) and elongate the plants c) They are differentiated into other parts (give rise to more complexity) -Other Adaptations a) Cuticle = waxy polymers that cover the outside of the epidermis of plants; prevent from desiccation (water proofing) and microbial infection b) Mycorrhizae = symbiotic relationship with roots (a type of fungus); mycorrhizal fungi form extensive networks of filaments and plants absorb nutrients more efficiently c) Secondary Compounds = bitter taste & strong order (toxic effect); defend against herbivores and parasites...
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- Fall '11