Task: Text Categorization
Input (English): Some of the parenchyma cells which help form this tissue are grouped together to form rays that radiate horizontally. Vessel elements do not occur in most conifers and are more highly specialized for transport, while the elongate tracheids have thick, hard, secondary cell walls which become interrupted with pits after their lengthwise growth has ceased. FTP, identify this complex of conducting and supporting tissue that conducts water and dissolved mineral nutrients in vascular plants.
Output (English): Science