Recap 7.1-7.3

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one device per group 
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Slide 1: Slide
BiologieMiddelbare schoolhavoLeerjaar 2

This lesson contains 26 slides, with interactive quizzes, text slides and 3 videos.

Items in this lesson

Recap
one device per group 

Slide 1 - Slide

root
stem
flower
leaf
fruit

Slide 2 - Drag question

What is the function of a flower?
A
For reproduction
B
For photosynthesis
C
For transportation
D
For looking pretty

Slide 3 - Quiz

What is the function of the calyx (sepals)?

A
attract insects
B
reproduction
C
protection against cold
D
producing nectar

Slide 4 - Quiz

What is the male sex organ of a plant? And the female sex organ?
A
female: carpel male: petal
B
female: petal male: sepal
C
female: stamen male: carpel
D
female: carpel male: stamen

Slide 5 - Quiz

anther
filament
petal
sepal
stigma
style
ovary
nectary

Slide 6 - Drag question

What is self-pollination

Slide 7 - Open question

What is cross pollination?
A
Pollination in the same flower
B
When insects spread pollen
C
Pollen go brrr
D
Pollination between different flowers

Slide 8 - Quiz


What type of pollination is nr I?
A
Number I is self pollination
B
Number I is cross pollination
C
Number I is no pollination

Slide 9 - Quiz


What type of pollination is nr II?
A
Number II is self pollination
B
Number II is cross pollination
C
Number II is no pollination

Slide 10 - Quiz


What type of pollination is nr III?
A
Number III is self pollination
B
Number III is cross pollination
C
Number III is no pollination

Slide 11 - Quiz


What type of pollination is nr IV?
A
Number IV is self pollination
B
Number IV is cross pollination
C
Number IV is no pollination

Slide 12 - Quiz

Pollination
Self-pollination
Cross-pollination
No pollination
Number 1
Number 2
Number 3
Number 4

Slide 13 - Drag question

Pollination
Self-pollination
Cross-pollination
No pollination
Number 1
Number 2
Number 3
Number 4

Slide 14 - Drag question

Slide 15 - Video

Which flower spreads their pollen by wind or insects?

Slide 16 - Slide

Draw and explain the three steps of fertilization

Slide 17 - Slide

FERTILIZATION
  • THE POLLEN GRAIN LANDS ON THE STIGMA
  • THE POLLEN  FORMS A TUBE AND THE NUCLEUS GOES DOWN  THE STYLE
  • THE POLLEN NUCLEUS MELTS TOGETHER WITH THE EGG NUCLEUS IN THE OVULE TO FORM A SEED.

Slide 18 - Slide

What happens after fertilization?

Slide 19 - Slide

After fertilisation
  • A germ/plant embryo develops from the fertilised egg cell  
  • The ovule develops into  seeds 
  • The ovary grows into fruit containing more seeds 

pod

Slide 20 - Slide

Animals eat the flesh and excrete the seeds
The fruits are provides with hooks or barbs
Seed dispersal: animals

Slide 21 - Slide

Scattered by the plant itself
Seed dispersal

Slide 22 - Slide

Dispersal of fruits and seeds
  • Plants disperse the seeds themselves by ejecting the seeds over a distance 
  • Seeds are dispersed by wind
  • Seeds are dispersed by animals and humans 

Slide 23 - Slide

Slide 24 - Video

time to work 
first you do the worksheet

6.2 and 6.3 
do exc. 1,2.4.5.7.8 

Slide 25 - Slide

Slide 26 - Video