Uploaded January 2016 | Updated September 2026, 3 weeks ago

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9.2 Transport in the phloem of plants: Phloem Structure and Function

Table of Contents:

00:00 - Structure–Function of Phloem Sieve Tubes
03:10 - Phloem: The Structure
04:00 - Identifying Xylem and Phloem

Understanding that:

-Active transport is used to load organic compounds into phloem sieve tubes at the source.
-Raised hydrostatic pressure causes the contents of the phloem to flow towards sinks.
-The cohesive property of water and the structure of the xylem vessels allow transport under tension.