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Copy of Copy of Vascular and Non-Vascular Plants

A comparison of the two types of plants in the plant kingdom. By Mrs. A - SMS Science teacher extraordinaire!
by

Laurie Main

on 17 September 2013

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Transcript of Copy of Copy of Vascular and Non-Vascular Plants

Vascular Plants
Non-vascular Plants
both are PLANTS!
both
both have cells that have cell walls
therefore, both. . .
Use PHOTOSYNTHESIS!
both have cells that
contain chlorophyll
these very structured onion cells should look familiar!
the pigment that makes plants green!
when plants make sugar (food)
from the sun's energy!
The plant kingdom is divided into two groups.
plants that have tissue to transport
water, sugar and nutrients
have roots
stems
and leaves
larger in size!
have vascular tissue
xylem
phloem
tubes that run throughout the
roots, stems, and leaves to transport water and dissolved materials
who is that?!
tubes carry water and dissolved minerals UP the vascular plant
and those tubes are called . .
Roots receive water, and xylem transports it up throughout the tree. They also have a secondary function of support. Think: a huge tree not only needs water throughout, but also needs to have a sturdy support system! The rings on a tree trunk slice?
tubes that carry the sugars created by the plant Down and all AROUND the plant.
Phloem is always alive. Xylem tissue dies after one year and then develops again year after year (rings in the tree trunk). What is the best way to think about phloem? Think about sap coming out of a tree. That dripping sap usually comes from the phloem.
are smaller in size
no vascular system: no xylem, no phloem :(
no roots, stems or leaves
The WHOLE plant must absorb water and pass water and waste from cell to cell DIRECTLY through the process of. . .
OSMOSIS!!
liverwort!
hornwort!
they are teeeeeeeny-tiny! Even a "carpet of moss" is just a bunch of single plants all bunched together!

why???
more evolved, or less?
even though some mosses LOOK
like they have roots, stems or leaves,
they don't! Appearances can be deceiving!
See?! Fake out! Just like
mosses' FAKE roots, stems &
leaves!
one more interesting thing about NON-VASCULAR plants . . since the entire plant can DIRECTLY absorb water, what kind of inferences can you make about these plants??
the entire plant absorbs water!
when water moves from an area with a lot of H2O
molecules to an area with few H2O molecules. . .
Think the stalk of celery with food coloring!
mosses!
Full transcript