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Repetition V1
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volgende
Slide 1:
Tekstslide
Biologie
Middelbare school
vwo
Leerjaar 1
In deze les zitten
14 slides
, met
interactieve quizzen
en
tekstslides
.
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Repetition
Slide 1 - Tekstslide
Today
Repetition
Checklist
Tomorrow: test yourself!
Slide 2 - Tekstslide
Learning goals
bs 1 and 2
you must be able to name the parts of a flower and its
features
and
functions.
you must be able to describe what pollination is.
And you must be able to tell the difference between cross-pollination and self-pollination.
you must be able to list the features of insect-pollinated flowers and wind-pollinated flowers.
Slide 3 - Tekstslide
Flower parts with features and functions:
kenmerken en functies
Sepals
Petals
Stamen
Carpel
Male reproductive organ
Stigma, style and ovary
To attract insects
Produce egg cells (female sex cells) in ovum
Filaments and anther with pollen sacs
Produce pollen grains (male sex cells)
To protect the flower bud against cold and dehydration
Large and brightly coloured, sometimes small and green
Usually green
Slide 4 - Sleepvraag
Learning goals
bs 1 and 2
you must be able to name the parts of a flower and its
features
and
functions.
you must be able to describe what pollination is.
And you must be able to tell the difference between cross-pollination and self-pollination.
you must be able to list the features of insect-pollinated flowers and wind-pollinated flowers.
Slide 5 - Tekstslide
Pollination
Self-pollination
Cross-pollination
No pollination
Number 1
Number 2
Number 3
Number 4
Slide 6 - Sleepvraag
Learning goals
bs 1 and 2
you must be able to name the parts of a flower and its
features
and
functions.
you must be able to describe what pollination is.
And you must be able to tell the difference between cross-pollination and self-pollination.
you must be able to list the features of insect-pollinated flowers and wind-pollinated flowers.
Slide 7 - Tekstslide
Insect-pollinated flowers
Wind-pollinated flowers
The petals are coloured
The petals are small and green
The flowers have nectar and are scented
The flowers don't have nectar
Pollen sacs are outside the flower
Pollen sacs are inside the flower
Stigma is usually inside the flower
Stigma is usually outside the flower
Stigma are feathery (geveerde vorm)
pollen grains are rough and sticky
Pollen grains are smooth and light
Slide 8 - Sleepvraag
Has pollination and / or fertilisation happened here?
A
only pollination but no fertilisation
B
both pollination and fertilisation
C
only fertilisation, no pollination
D
no pollination and no fertilisation
Slide 9 - Quizvraag
In what order does fertilisation happen?
A
Pollination -> Fertilisation -> Creation of the pollen tube
B
Pollination --> Creation of the pollen tube --> Fertilisation
C
Fertilisation --> Pollination --> Creation of the pollen tube
D
Fertilisation --> Creation of the pollen tube --> Pollination
Slide 10 - Quizvraag
flower stalk
sepal
ovary
stamen
petal
ovule
Slide 11 - Sleepvraag
Go to the studiewijzer
Look at the checklist and find out what you need to study. Write that down!
Slide 12 - Tekstslide
In your ATC e-mail
You will find a questionnaire (enquête)
It is about me
Fill it in
Slide 13 - Tekstslide
Go to: 1VG Flowers --> Summary / Test yourself / practise
Do: test yourself & check your answers
Slide 14 - Tekstslide
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