Akar`s plant powerpoint

advertisement
Life of Plants
Akar khoschnau
People know that the most basic things needed for a
seed to germinate and become a sprout is sunlight,
oxygen, water, and nutrients. These are all key things
that a plant needs for the rest of the duration it is alive
for.
Plants have a primary
root, in which lateral
roots are attached. The
roots attach themselves
and spread out. Root
hairs attached to the
roots absorb water,
energy and other things
from the soil.
The two main tubes
located in the plants are,
the Xylem and the Phloem
tube. The Phloem
transports all the food,
energy and starches all
around the plant. What the
Xylem does is it transports
water through out the
cells.
From the stem/xylem tubes, water travels to the veins of
the plant. By the time water has reached the veins, some
of it has evaporated because of Transpiration, even
though plants have a Waxy Cuticle top layer to help
prevent water from escaping, and also spongy cells, it
still get through by the stomata under the leaf.
Photosynthesis
 All these things are needed for photosynthesis:
 1) Sunlight: Which comes from the sun
 2)Chlorophyl: The green substance which is found
in the chloroplasts. Which makes leaves look green.
 3)Carbon dioxide: Carbon dioxide which enters the
leaf.
 4) Water: Which comes from the soil that is
absorbed by the roots and then goes up the stem
and then to the leafs.
photosynthesis can take place,
thanks to the Xylem tube. The
equation for photosynthesis is
Carbon dioxide + water ->
(sunlight from chlorophyll)
results in glucose + oxygen.
Final step:
Once the leaves have
absorbed the energy
from the sun, it combines
water and the carbon
dioxide to make its food,
which is glucose. Then,
the glucose is
transformed into starch,
and is taken back down
the Phloem tube to the
rest of the plant. And the
process starts again
Bibliography
 http://media.web.britannica.com/eb-media/97/5597-004AC4B60C5.gif
 http://www.nunukphotos.com/images/plant-roots-4-pv.jpg
 http://library.thinkquest.org/3715/photo3.html
 http://static.blogcritics.org/10/01/17/123791/tree-roots.jpg
 http://www.emc.maricopa.edu/faculty/farabee/biobk/xylem.gi
f
 http://image42.webshots.com/42/5/53/24/344755324kFHgnp_p
h.jpg
 http://cache2.allpostersimages.com/p/LRG/14/1461/FSFQ000Z
/posters/kahn-andrea-poppies-in-sunlight-ii.jpg
Download