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U6 B3,4,7 1HVTTO
B3 Fertilization
Take off your jacket
Put your
things
on your
desk
Book, notebook, pencil case
Bag on the
floor
Read pages 177-178
timer
4:00
Lessongoals
You can describe the fertilization process in seed plants
You can describe the change in the ovule after fertilization.
1 / 19
volgende
Slide 1:
Tekstslide
Biologie
Middelbare school
havo, vwo
Leerjaar 1
In deze les zitten
19 slides
, met
interactieve quizzen
,
tekstslides
en
3 videos
.
Lesduur is:
45 min
Start les
Bewaar
Deel
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Onderdelen in deze les
B3 Fertilization
Take off your jacket
Put your
things
on your
desk
Book, notebook, pencil case
Bag on the
floor
Read pages 177-178
timer
4:00
Lessongoals
You can describe the fertilization process in seed plants
You can describe the change in the ovule after fertilization.
Slide 1 - Tekstslide
Today
Check homework
Recap
After pollination what's next?
seed dispersal
Time for hw
End
Slide 2 - Tekstslide
A carpel consists out of different parts, which of these is NOT one of them?
A
Ovary
B
Stem
C
Style
D
Stigma
Slide 3 - Quizvraag
The picture shows a magnolia tree. What do you call it when a flower at spot A pollinates a flower at spot B?
A
Cross-pollination
B
Species-pollination
C
Self-pollination
D
Insect-pollination
Slide 4 - Quizvraag
The flower on the picture is a(n):
A
Windflower
B
Birdflower
C
Insectflower
Slide 5 - Quizvraag
Which numbers show cross-pollination?
A
Only 1
B
1, 2, 3, 4
C
1, 4, 7
D
1 and 4
Slide 6 - Quizvraag
Which numbers show self-pollination?
A
2, 5, 6
B
2, 3, 8
C
2, 5, 8
D
1, 5, 8
Slide 7 - Quizvraag
Slide 8 - Video
www.bioplek.org
Slide 9 - Link
Fertilization
The moment when the nucleus of the pollen grain and nucleus of the egg cell become one.
Egg cell
Egg cell nucleus
Pollen grain nucleus
Pollen tube
Slide 10 - Tekstslide
What happens after fertilization?
Slide 11 - Open vraag
Slide 12 - Video
Fruits and seeds
Some flowers only have 1 egg cell in each ovary.
Other plants species have more than 1 egg cell in each ovary.
The fertilized egg, becomes the embryo.
De ovary grows to become a fruit.
Fig. 1 page 183 + explanation in book.
Slide 13 - Tekstslide
Pod
Slide 14 - Tekstslide
Seed dispersal
Increased chance of survival if seeds are
scattered or dispersed as far as possible
from the parent plant.
Wind dispersal
Animal dispersal (eaten and pooped
out or clinging to fur)
Water dispersal
Self-dispersal
Slide 15 - Tekstslide
Slide 16 - Video
Ga aan de slag met:
Read pgs. 177 - 178 + 183-185
Do asgmts 1, 3 + 5 pgs. 178-182
Do asgmts 2, 4 + 6 pgs. 185-187
Do asgmts 2, 3 on pgs. 214-215
Klaar met het bovenstaande?
Continue with 6.7
Make a summary
Study for the test
Read a book
Zw= working with whispering
Teacher is available for questions
Working individually
only whisper with the person next to you
Stay at your desk
Slide 17 - Tekstslide
What is correct order?
A
Making pollen > pollination > fertilization > making a seed
B
Making pollen > fertilization > pollination > making a seed
C
making a seed > pollination > fertilization > Making pollen
D
pollination > Making pollen > making a seed > fertilization
Slide 18 - Quizvraag
Tidy Duty
Today these people are on tidy duty
Desks: empty and straight
Chairs: underneath the desks
Floor: no rubbish
Slide 19 - Tekstslide
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