B3 Fertilisation

B3 Fertilization
6.3.5 You can describe the fertilization process in seed plants.

6.3.6 You can describe the change in the ovule after fertilization.
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Slide 1: Slide
BiologieMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 15 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

B3 Fertilization
6.3.5 You can describe the fertilization process in seed plants.

6.3.6 You can describe the change in the ovule after fertilization.

Slide 1 - Slide

Stigma
Style
Petal
Stamen
Sepal
Ovary

Slide 2 - Drag question

Insect-pollinated flowers
Wind-pollinated flowers
Colourful petals
small, green petals
Flowers contain nectar
no nectar
Stamen outside the flowe
Stamen inside the flower
Stigma inside the flower
Stigma outside the flower
Stigma is feathershaped
Pollen is sticky
Stuifmeel is licht en glad

Slide 3 - Drag question

1 uai 8 : Pollination? 
Self-pollination or cross-pollination? 

Slide 4 - Slide

Basic 3 : Fertilization

Slide 5 - Slide

Pollination; an experiment

Slide 6 - Slide

Slide 7 - Slide

Result

Slide 8 - Slide

Pollen tube
When a pollen grain lands on the stigma of a plant of the same species, a tube starts to grow from it: the pollen tube

Slide 9 - Slide

Fertilization
The fusion of the nuclei of a male sex cell and a female sex cell is called fertilization. 
Fertilization produces an embryo. The nucleus of a plant embryo contains the chromosomes of both the male and female sex cells.

Slide 10 - Slide



Every seed contains a plant embryo

Slide 11 - Slide

Basic 3 : Fertilization
Read basic 3


timer
5:00

Slide 12 - Slide

Basic 3 : Fertilization
Do exercise 1 u.a.i. 3 + 5
timer
10:00
First 10 minutes in silence

Slide 13 - Slide

Zet in de goede volgorde
-->
Stuifmeelkorrel komt vrij
Bevruchting
Kiem (plant embryo) ontstaat)
Vruchtbeginsel
Bestuiving
Zaad wordt gevormd 
DNA bereikt zaadbeginsel
Stuifmeelbuis groeit

Slide 14 - Drag question

Na de bevruchting gaan de bevruchte eicel, het zaadbeginsel en het vruchtbeginsel groeien. 

1.Uit de bevruchte eicel ontstaat een kiem. 
2. Uit het zaadbeginsel ontstaat een zaad. 
3. Elk zaad bevat één kiem. 

Slide 15 - Slide