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Roots and Stems

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by

Jack Richburg

on 25 March 2011

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Transcript of Roots and Stems

Roots
and Stems Lets break
down stems “skin” of plant
single layer of tightly packed cells that covers & protects plant Dermal: Vascular
transport materials between roots & shoots
(xylem & phloem) Xylem carry water & minerals up from roots
tube-shaped dead cells
only their walls provide a system of microscopic water pipes Where is the xylem? Where is the phloem? carry nutrients throughout plant
sugars (sucrose), amino acids…
tube-shaped living cells Phloem Back to
your
roots
large vertical root
also produces many small lateral,
or branch roots mat of thin
roots that
spread out Tap Root Fibrous Root
Full transcript