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.
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Slide 1: Slide
BiologieMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 19 slides, with interactive quizzes, text slides and 3 videos.

time-iconLesson duration is: 45 min

Items in this lesson

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 - Slide

Today
  • Check homework
  • Recap
  • After pollination what's next? 
  • seed dispersal
  • Time for hw
  • End

Slide 2 - Slide

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 - Quiz

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 - Quiz

The flower on the picture is a(n):
A
Windflower
B
Birdflower
C
Insectflower

Slide 5 - Quiz

Which numbers show cross-pollination?
A
Only 1
B
1, 2, 3, 4
C
1, 4, 7
D
1 and 4

Slide 6 - Quiz

Which numbers show self-pollination?
A
2, 5, 6
B
2, 3, 8
C
2, 5, 8
D
1, 5, 8

Slide 7 - Quiz

Slide 8 - Video

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 - Slide

What happens after fertilization?

Slide 11 - Open question

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 - Slide

Pod

Slide 14 - Slide

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 - Slide

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 - Slide

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 - Quiz

Tidy Duty
Today these people are on tidy duty
  • Desks: empty and straight
  • Chairs:  underneath the desks
  • Floor: no rubbish

Slide 19 - Slide