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19 lip 2008 · The document summarizes the key components and functions of xylem and phloem tissue in plants. Xylem tissue conducts water and minerals throughout the plant and is composed of tracheids and vessels. Phloem tissue conducts sugars and transports them from leaves to other plant parts.
22 paź 2017 · Types of xylem • Developmentally, xylem have two types • (1)Primary xylem: derived from procambium, developing from embryo, non-woody plants. • (2)Secondary xylem: from vascular cambium, second stage of plant development, in woody plants.
2 wrz 2011 · Xylem contains tracheids and vessels which are dead cells with lignified walls that transport water and minerals throughout the plant. Tracheids are elongated cells with thickened walls, while vessels are formed from rows of cells with dissolved walls to form continuous channels.
The document describes the structure and function of xylem and phloem in vascular plants. It explains that xylem consists of tracheids, vessels, and parenchyma cells that transport water and minerals upward from the roots, while phloem contains sieve tubes and companion cells that transport sugar downward from leaves.
Xylem PPT: What is vascular tissue system? What is xylem? What are the components / elements of xylem? Tracheids, Vessels, Xylem Fibres and Xylem Parenchyma, Classification of xylem, Primary xylem, Protoxylem, Metaxylem, Secondary xylem, What are Tyloses? Learn more: Note on Xylem
Describe, with the aid of diagrams and photographs, the distribution of xylem and phloem tissue in roots, stems and leaves of dicotyledonous plants; Describe, with the aid of diagrams and photographs, the structure and function of xylem vessels, sieve tube elements and companion cells;
29 kwi 2012 · Plants rely on specialized tissue, called vascular tissue , to transport water, nutrients, and the products of photosynthesis around the plant. The 2 types of vascular tissue are xylem and phloem.
