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plants lesson 7-8
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Biologie
Middelbare school
havo, vwo
Leerjaar 1
This lesson contains
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Items in this lesson
Have ready
- Classroom
- your homework (uploaded)
- your notes
and sign up to lesson-up
Slide 1 - Slide
HW FOR TODAY:
HOW DID IT GO?
Slide 2 - Slide
root
stem
flower
leaf
fruit
Slide 3 - Drag question
cell wall
cell membrane
nucleus
chloroplast
cytoplasm
vacuole
mitochondria
Slide 4 - Drag question
anther
filament
petal
sepal
stigma
style
ovary
nectary
Slide 5 - Drag question
food store
radicle
plumule
skin
micropyle
Slide 6 - Drag question
Put the words in the correct order, starting with pollination.
pollination
growth
germination
fertilization
dispersal
Slide 7 - Drag question
vein
cuticle
upper epidermiss
spongy
layer
stomata
lower epidermis
palisade
layer
Slide 8 - Drag question
root cap
root tip
lateral root
primary root
root hairs
Slide 9 - Drag question
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 10 - Drag question
Today:
- limiting factors
- enzymes
- geotropism
- phototropism
Slide 11 - Slide
LIMITING FACTORS:
CARBON DIOXIDE
WATER
SUNLIGHT
CORRECT TEMPRATURE FOR ENZYMES
Slide 12 - Slide
WHAT ARE ENZYMES?
ENZYMES ARE A CATALYST
THEY ARE LITTLE CHEMICAL FACTORIES THAT ARE USED TO SPEED UP CHEMICAL REACTIONS
OPTIMUM TEMPRATURE IS BETWEEN 25-40 DEGREES CELCIUS
Slide 13 - Slide
Slide 14 - Slide
Slide 15 - Slide
Slide 16 - Slide
CONTROLLING LIMITING FACTORS:
IN FIELDS THESE ARE DIFFICULT TO CONTROL
THIS IS WHY WE USE GREENHOUSES
MORE CONTROL OVER ALL THE LIMITING FACTORS;
ESPECIALLY TEMPRATURE AND WATER SUPPLY
Slide 17 - Slide
geotropism:
this is how gravity affects the growth of plants
roots are positively geotropic
plants are negatively geotropic
Slide 18 - Slide
phototropism:
this is how sunlight affects the growth of plants
leaves are positively phototropic
roots are negatively phototropic
Slide 19 - Slide
Auxin:
this is a plant hormone that stimulates growth in certain places of the plant.
Slide 20 - Slide
HW FOR NEXT TIME:
- continue your mindmap
- complete all formative
Slide 21 - Slide
Slide 22 - Video
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