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(also called secondary meristems) regions of cells capable of dividing to form new cells in the roots or stems of plants.
single-celled organisms with all life functions performed within the cell.
the seepage of acidic, contaminated water from disused mines and mine dumps.
biological classification group (taxon) that is divided into species (the plural of genus is...
the main force responsible for the upwards movement of water in the xylem.