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plants lesson 5
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Biologie
Middelbare school
havo, vwo
Leerjaar 1
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Have ready
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- your homework (uploaded)
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and sign up to lesson-up
Slide 1 - Diapositive
root
stem
flower
leaf
fruit
Slide 2 - Question de remorquage
cell wall
cell membrane
nucleus
chloroplast
cytoplasm
vacuole
mitochondria
Slide 3 - Question de remorquage
anther
filament
petal
sepal
stigma
style
ovary
nectary
Slide 4 - Question de remorquage
food store
radicle
plumule
skin
micropyle
Slide 5 - Question de remorquage
Put the words in the correct order, starting with pollination.
pollination
growth
germination
fertilization
dispersal
Slide 6 - Question de remorquage
Today:
- structures of a leaf, stems and roots
- how do plants do photosynthesis?
- gas exchange / transport
Slide 7 - Diapositive
Slide 8 - Diapositive
Slide 9 - Diapositive
Structures of a leaf
Slide 10 - Diapositive
What does the leaf do?
The palisade layer does photosynthesis.
The stomata do gas exchange.
The spongy layer stores gasses.
The veins transport chemicals into and out of the leaf.
The cuticle and epidermis protect the leaf.
Slide 11 - Diapositive
Structures of a stem
xylem flows up.
phloem flows down.
Slide 12 - Diapositive
What does the stem do?
The xylem transports water and chemicals up the plant.
The phloem transports water and chemicals down the plant.
The stem itself supports the weight of the leaves, flowers & fruits.
Slide 13 - Diapositive
Structures of a root
Slide 14 - Diapositive
What do the roots do?
The root cap senses where there is water.
The primary and lateral roots anchor the plant in the round and provide support.
The root hairs absorb the water and nutrients from the soil.
Slide 15 - Diapositive
The plant absorbs sunlight through the palisade cells.
The plant absorbs water and nutrients through the roothair cells.
The plant transports water and nutrients up through the xylem vessels.
The plant transports sugars and nutrients down through the phloem vessels.
The plant absorbs carbon dioxide through the stomata cells.
The plant releases oxygen through the stomata cells.
Slide 16 - Question de remorquage
Slide 17 - Diapositive
HW FOR NEXT TIME:
- Complete the hw on calendar
- upload this to classroom please.
Slide 18 - Diapositive
Slide 19 - Vidéo
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