plant production
TRANSCRIPT
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PLANTPRODU
CTION
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Parts of the PLAN
TS
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ROOT
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A part of a plant that takes water and mineral for the plant.
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STEM
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Transport sap and water throughout the plant.
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LEAF
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Part of plant where food is made by photosynthesis.
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Section of a LEAF
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BLADE
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Made up of soft green tissues.
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This tissues are: epidermis, mesophyll, and vein tissues.
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EPIDERMISThe outer skin of a leaf.
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MESOPHYLLThe middle skin of a leaf.
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The veins are the mechanical tissue.
VEINS
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CUTIN
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Also known as cell wall or wax.
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It forms the cuticle which protect plants from water loss, pest and diseases.
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GUARD CELLS
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They are pair of smalls, green cells around the small pore, the stomata.
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STOMATA
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They connect the air spaces and cell inside the leaf.
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VEINS
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Made of long cylindrical cells through which the water and mineral salts from the roots pass to the cells of the leaves.
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Chloroplast
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A special substances used in the manufacture of the plant food.
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It also contain green coloring matter known as chlorophyll.
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God bless.
That’s all for
today.
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Two functions of LEAF
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PHOTOSYNTHESIS
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A process when leaf cells containing chlorophyll take in carbon dioxide and water and using sunlight, make sugar and oxygen.
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TRANSPIRATION
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It is the loss of water from the leaf. This helps to draw water up through the plant from the roots.
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FLOWER
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The reproductive part of the plant.
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Parts of a FLO
WER
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STAMEN
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The male
part of a flower.
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Composed of the anther
where pollen is made and
the thin filament.
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PISTIL
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The female
part of a flower.
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Composed of the stigma,
the thin style and the ovary.
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SEPALS
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Collectively
called calyx.
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They are green and leaf like, compose
the outermost part of the
flower.
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They protect the delicate stamen and
pistil when the flower is still a
bud.
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PETALS
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Collectively
called corolla.
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Protect the stamen and
the pistil when the flower is in its early stage
of growth.
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Terms to REMEMBER
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POLLINATION
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Occurs when pollen is
transferred by insects or wind
from the anther to stigma.
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Chemicals called enzymes ‘drill’ a channel down through
the style to the ovary where the egg is.
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FERTILIZATION
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Occurs when the pollen join with the
egg.
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GERMINATION
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The process when a
seed grows into a
seeding.
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CAPILLARY
ACTION
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An adhesive attraction
between the water particles
and the vessels inside
the plant.
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DIFFUSION
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The net movement of a substan
ce.
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God bless.
That’s all for
today.
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Parts of a SEED
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SEED COAT
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It protects the
embryo and the
food supply.
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EMBRYO
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The baby plant.
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RADICLE
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Part of the embryo that grows into
the primary root.
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ENDOSPERM
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The supplier of the plant own food.
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COTYLEDON
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Also known as seed leaf,
absorbs the food in the
endosperm and transports it to the embryo.
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DidYou
knowthat
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A bean has two
cotyledons. It absorb all
the food supply.
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Seeds with two
cotyledons are called
dicotyledons or dicots.
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While those with one
cotyledon are called
monocotyledons or
monocots.
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God bless.
That’s all for
today.