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Title: Web Tutorial 35.1 Primary and Secondary Growth
Caption: The roots and shoots of all plants increase in length due to cell division in apical meristems. In addition, woody species increase in width due to cell division in lateral meristems. In this tutorial, you'll explore both primary and secondary growth by following a plant through its first 2 years.
Keywords: apical meristem, cambium, cambia, cork cambium, cortex, epidermis, lateral meristem, leaf, phloem, pith, primary growth, root cap, secondary growth, stem, vascular bundle, vascular cambium, xylem