YR3_Longman R&I_LSN2 5.1
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Items in this lesson
Slide 1 - Slide
Slide 2 - Slide
Slide 3 - Slide
Slide 4 - Slide
Slide 5 - Slide
Slide 6 - Slide
Slide 7 - Slide
Slide 8 - Slide
Slide 9 - Slide
Slide 10 - Slide
Slide 11 - Slide
Slide 12 - Video
What kind of reproduction do plants have?
A
Sexual
B
Asexual
C
Both
D
Other
Slide 13 - Quiz
Most plants make seeds, such as acorns. Is this sexual or asexual reproduction?
A
Sexual reproduction
B
Asexual reproduction
Slide 14 - Quiz
Some plants can be regrown completely from a single branch. Is this sexual or asexual reproduction?
A
Sexual reproduction
B
Asexual reproduction
Slide 15 - Quiz
During sexual reproduction in plants, which two gametes fuse together?
A
Sperm and egg
B
Pollen and egg
C
Sperm and pollen
Slide 16 - Quiz
root
stem
flower
leaf
fruit
Slide 17 - Drag question
STYLE
PETAL
Carpel
ANTHER
SEPAL
OVARY
STIGMA
STAMEN
FILAMENT
Slide 18 - Drag question
Flower parts with features and functions
Sepals
Petals
Stamen
Carpel
Male reproductive organ
Stigma, style and ovary
To attract insects
Produce egg cells (female sex cells) in ovum
Filaments and anther with pollen sacs
Produce pollen grains (male sex cells)
To protect the flower bud against cold and dehydration
Large and brightly coloured, sometimes small and green
Usually green
Slide 19 - Drag question
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 20 - Drag question
Pollination
Self-pollination
Cross-pollination
No pollination
When pollen on the anther of a flower reaches the stigma of a flower on the same plant
When pollen from one plant reaches the stigma of a flower on another plant
When pollen of one species (=soort) reaches the stigma of a flower of another species
Slide 21 - Drag question
1
2
3
4
5
6
7
8
9
10
Stigma
Petal
Ovary
Sepal
Filament
Stalk
Carpel
Stamen
Anther
Top part of stalk
Slide 22 - Drag question
flower stalk
sepal
ovary
stamen
petal
ovule
