Name: Erin D.
What exactly is primary growth in plants?
"Primary growth is the lengthening of the stem and roots. All plant growth occurs by cell division and cell elongation. Cell division occurs primarily in regions of undifferentiated cells known as meristems. Cell division in the apical meristems and subsequent elongation and maturation of the new cells produces primary growth."
Anthony Brach, Ph.D
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Update: June 2012