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B2 - Pollination
Unit 6 Reproduction in plants and animals
Basic 2 Pollination
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Biologie
Middelbare school
mavo, havo, vwo
Leerjaar 1
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Unit 6 Reproduction in plants and animals
Basic 2 Pollination
Slide 1 - Diapositive
Today
Recap
Homework check (3, 6 and 8)
Explanation 6.2 pollination
Time to work
End
Slide 2 - Diapositive
Slide 3 - Diapositive
Pollen is made in ...
A
The anther
B
The ovary
C
The filament
D
The ovule
Slide 4 - Quiz
What are the names of the big and coloured leaves of a flower?
A
Ketals
B
Petals
C
Setals
D
Sepals
Slide 5 - Quiz
What part of a carpel is closest to the sepals?
A
Style
B
Stem
C
Stigma
D
Ovary
Slide 6 - Quiz
Learning objectives
You can describe what pollination is.
You can explain the difference between
cross-pollination and self-pollination.
You can list the features of insect-pollinated flowers
and wind-pollinated flowers.
Slide 7 - Diapositive
Basic 2 Pollination
Slide 8 - Diapositive
Nectar and pollen
Many flowers produce nectar
Nectar attracts insects
Insects get covered with pollen
Insect goes to the next flower
Pollen lands on the stigma of a plant of the same species
Pollination
Pollination
The transfer of pollen from a stamen to the stigma of flower of the same species.
Slide 9 - Diapositive
Explain to your neighbour what happens at step 1, 2 and 3
timer
1:00
Slide 10 - Diapositive
No
pollination if:
Pollen lands on the stigma of a flower of another species
What is a species?
Slide 11 - Diapositive
Self-pollination and cross-pollination
Slide 12 - Diapositive
Cross-pollination
:
Pollen can also get onto the stigmas of flowers of a different plant (of the same species)
Self-pollination
:
- Pollen from the stamens can get onto the stigma of the carpel of the same flower.
- Pollen from one flower can then get onto the stigma of another flower on the same plant.
Slide 13 - Diapositive
Number 1 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 14 - Quiz
Number 2 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 15 - Quiz
Number 3 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 16 - Quiz
Number 4 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 17 - Quiz
Number 5 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 18 - Quiz
Number 6 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 19 - Quiz
Number 7 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 20 - Quiz
Number 8 is...
A
Cross-pollination
B
Self-pollination
C
No pollination
Slide 21 - Quiz
insect-pollinated flowers
Wind-pollinated flowers
Slide 22 - Diapositive
Which flowers produce more pollen? Explain your answer.
Slide 23 - Question ouverte
insect- and wind-pollinated flowers
Differences in:
Size
Petals
Scent
Nectar
Pollen
Carpels and stamen
Slide 24 - Diapositive
insect-pollinated flowers
Wind-pollinated flowers
green petals
nectar
Stamen inside the flower
Produce a lot of pollen
Scent
Brightly coloured petals
Sticky pollen
Slide 25 - Question de remorquage
Slide 26 - Vidéo
Exercises
Read 6.2 + study the figures
Make 1 to 9 of 6.2
Slide 27 - Diapositive
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