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Xylem
Phloem
Cuticle
Stomata
Guard Cells
Photosynthesis
Cellular Respiration
Chloroplast
Basic Plant Parts
• Roots – absorb water, minerals, and
nutrients
• Stems – transport water, minerals, and
nutrients
• Leaves – capture sunlight and produce
sugar photosynthesis.
Stems
• Consist of a vascular network of cells for
transport.
• Xylem – transports water and minerals
• Phloem – transports food (sugar)
Leaves
• Waxy cuticle on surface
• Palisade Mesophyll – layer of cells beneath
the epidermis that contain chlorophyll
• Vein – contains xylem and phloem
• Stomata – opening on bottom of leaf that
allow gas exchange and water loss
• Guard cells – regulate opening of stomata
• How can a plant modify its leaves:
-to capture more sunlight?
-to receive less sunlight?
-to prevent water loss?
-for protection?
TAKS question #1
• The diagram illustrates
the parts of this flower.
Which of these parts
are not directly involved
in sexual
• reproduction?
• A Stigma and style
• B Sepal and pedicel
• C Anther and filament
• D Receptacle and ovary
TAKS question #2
• Which structure
regulates gas
exchange during the
processes of
photosynthesis
• and respiration?
• AQ
• BR
• CS
• DT
•
• Animal Dispersal
• Wind Dispersal
• Floating in water
Some animals bury seeds and
they grow into new plants.
Barbs get tangled in animal
fur and carried to new places.
Animals eat fruit, and after digestion
the seeds are dropped in new places.
More barbs and hooks…
Name the dispersal method.
Wind
Animal
Wind
Animal
Wind
Animal
TAKS question #3
• Which of the following characteristics
could help short plants survive in areas
with limited sunlight?
F Broad leaf surfaces
G Brightly colored flowers
H Thick stems
J Shallow roots
TAKS question #4
• Which of these characteristics might
help a plant species survive in an area
with limited sunlight?
• F Bright flowers
• G Large leaves
• H Short stems
• J Thick cuticles
TAKS question #5
• This seed is best
dispersed by —
• A water
• B birds
• C wind
• D insects