Examlex
A wave barrier is produced when a wave source moves
Sclerenchyma Cells
Thick-walled, lignified plant cells that provide structural support and are typically found in regions of plants that are no longer expanding.
Lignin
Chemical that hardens the cell walls of land plants.
Petiole
The part of a plant leaf that connects the blade to the stem.
Organs
Structures or groups of tissues in a living organism that perform a specific function or group of functions.
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