Plant Fertilisation 1VG

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

Fertilisation

Petal

Sepal

Stamen

Anther

Filament

Stigma

Style

Ovary

Wat is pollination in het Nederlands?

1. Bevruchting
2. Bestuiving
3. Verstuiving
4. Plantenseks

What is cross pollination?

1. Pollination in the same flower
2. When insects spread pollen
3. Pollen go brrr
4. Pollination between different flowers

Kort nabespreken worksheet BS2

Today

What is fertilisation?

Describe the following terms:
        - pollination, pollen tube, fusing together, embryo

Why is fertilisation important?

Fertilisation

1. Pollen will land on the stigma
2. A pollen tube will form (stuifmeelbuis)
3. Pollen + egg fuse (samensmelten)

Fertilisation

Fertilisation is the moment that the nucleus of the pollen grain and the nucleus of the egg cell fuse (=versmelten)

After fertilisation

• A germ/plant embryo develops from the fertilised egg cell  (kiemen ontstaan)
  
• The ovule develops into  seeds 
• The ovary grows into fruit containing more seeds 
  

pod

In your own words,
What is fertilisation?

Ovule

Pollen

Pollen tube

Egg cell

Plantenzaadjes bevatten kiemen.

How would you say this in English?

1. Plant seeds contain a germ
2. There are eggs in seeds
3. Plant seeds contain an embryo
4. Plant seeds contain pollen

01:34

What are the two parts of the stamen?

1. Anther
2. Filament
3. Carpel
4. Style

02:08

Een zygote ontstaat als een eicel en pollen samensmelten. Een zygote is een primitief zaadje.
Hoe heet dit samensmelten in het Engels?

03:18

What does the pollen tube do?

1. Nothing
2. It transports the pollen to the egg
3. Water can go through the tube
4. The egg goes to the pollen

03:50

What does the ovary turn into?

1. Pollen
2. Egg cell
3. Seed
4. Fruit

Assignment (also homework)

Worksheet basic 3 Fertilization (zie studiewijzer op magister)