Meristem is a tissue of undifferentiated cells found in areas of plant growth.
Primary growth is the elongation of stem and root cells.
Secondary growth is increasing the girth of the plant.
Vascular Cambium is specialized cells that help carry water in vascular plants.
Cork Cambium is a tough protective layer in the periderm.
Auxin is a hormone and its distribution is a key factor of plant growth and development.
Cytokinin is used in cell differentiation and specialization.
Phototropism is directional growth of a plant that is determined by the light sources.
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