XYLEM AND PHLOEM
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PLANT TRANSPORT TISSUES – XYLEM AND PHLOEM
Plants take water and dissolved minerals, make their food and then send back the food to different parts of the plant.
The xylem and the phloem make up the vascular tissue of a plant and transports water, sugars, and other important substances around a plant.
What is commonly referred to as ‘sap’ is indeed the substances that are being transported around a plant by its xylem and phloem.
The xylem transports water and minerals from the roots up the plant stem and into the leaves.
In a mature flowering plant or tree, most of the cells that make up the xylem are specialised cells called vessels.
Phloem: Transports food from the leaves to the rest of the plant.
The phloem moves food substances that the plant has produced by photosynthesis to where they are needed for processes such as:
· growing parts of the plant for immediate use
· storage organs such as bulbs and tubers
· developing seeds
COMPARISON OF TRANSPORT IN THE XYLEM AND PHLOEM
We have our e-books published on Amazon for Grade 3 and Grade 4. The books serve as an important guide for Science Olympiads organized by SOF, Silverzone, Unified Council and others. Books are designed to help students understand key science concepts.
The key highlights of the book are:
· Well explained topics
· Use of diagrams and images for students to visualize
· Test exercise after each chapter for self-assessment and evaluation
· Interesting facts sections spread across the book
Here are the links: