Examlex
A hiatus between igneous or metamorphic rocks and sedimentary rocks is represented in the rock record by a(n) ____.
Lateral Meristem
Plant tissue located in the stem and root that enables growth in thickness or girth in a maturing plant.
Vascular Cambium
A layer of plant tissue located between the xylem and the phloem that is responsible for the secondary growth of stems and roots, allowing them to increase in thickness.
Cork Cambium
A layer of tissue in plants that produces cork (phellem) cells for protection and waterproofing.
Lignin
A complex organic polymer found in the cell walls of many plants, making them rigid and woody and providing structural support.
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