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Transport in Plants: Xylem and Phloem

  • Science
  • Class 7–9
  • 3D model
  • English

Transport in Plants: Xylem and Phloem: a 3D model for Class 7–9 Science, covering root hairs take in water and dissolved minerals from the spaces between soil particles…, xylem carries water and minerals from the roots up through the stem to the leaves (one way, upward, in this plant), xylem vessels are hollow tubes of dead cells with stiff, ringed walls, transpiration is the loss of water vapour, mainly through stomata in the leaves; it helps pull water up the xylem, stomata open wider and transpiration speeds up on warm, sunny, dry, breezy days; it slows on cool, humid, still days.

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Also called

transport in plants · transportation in plants · plant transport · xylem · phloem · xylem and phloem · vascular tissue · vascular bundle · transpiration · stomata · root hairs · water transport in plants · translocation · food transport in plants · sugar transport · source and sink · ascent of sap · conducting tissue · how water reaches leaves · how food moves in plants

Topics

  • root hairs take in water and dissolved minerals from the spaces between soil particles…
  • xylem carries water and minerals from the roots up through the stem to the leaves (one way, upward, in this plant)
  • xylem vessels are hollow tubes of dead cells with stiff, ringed walls
  • transpiration is the loss of water vapour, mainly through stomata in the leaves; it helps pull water up the xylem
  • stomata open wider and transpiration speeds up on warm, sunny, dry, breezy days; it slows on cool, humid, still days
  • minerals stay in the plant; only water leaves as vapour
  • phloem carries sugar-rich sap (sugar dissolved in water) from a source, such as a mature leaf, to sinks…
  • phloem can carry sugar upward or downward in different tubes, depending on where the sinks are…
  • phloem tubes are living cells joined by sieve plates
  • changing how fast leaves lose water changes the xylem flow, not the direction of phloem transport

About this model

A GLB file of about 1645 KB, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Stem, roots, leaves and sun reused from the Lably "How Plants Make Food" schematic (photosynthesis.glb), re-posed. Xylem and phloem routes, magnified root/stem/leaf, root hairs, stomata, markers, key, dial and all animation authored for Lably. No third-party assets. | Lably project artwork (no third-party licence asserted)

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