1410157
Plants and Photsynthesis
- Photosynthesis
- Carbon Dioxide + Water >>Light>> Glucose + Oxygen
- 6 CO2 + 6 H2O >>Light>> C6H12O6 + 6 02
- Carbon Dioxide + Water >>Light>> Glucose + Oxygen
- Asexual reproduction
- No exchange of genetic material
- Young plants identical
to parent plant
- Young plants identical
to parent plant
- No exchange of genetic material
- Life cycle of a plant
- 1) Seed dispersal - Far away
from parent plant
- Methods: Wind,
Water, Animals,
Explosion
- Methods: Wind,
Water, Animals,
Explosion
- 2) Germination- Seed
cracks open, produces
shoot for water
- Necessary:
Oxygen, Water,
Correct
temperature
- Necessary:
Oxygen, Water,
Correct
temperature
- 3) Growing - Develops leaves
- 4) Flowering - Flowers
attract insects for
pollination
- 5) Seed formation - To
transport seeds
- 1) Seed dispersal - Far away
from parent plant
- Flower fertilisation
- 1) Pollen
grains
germinate on
the stigma
- 2) Pollen
tube grows
through
the style
- 3) Pollen
tube
penetrates
the micropyl
- After
fertilisation:
- 1) Fertilised
egg develops
into seed
- 2) Ovary
develops
to form
fruit
- True fruit,
ovary = flesh
- False fruit,
receptacle = flesh
- True fruit,
ovary = flesh
- Sepals,
petals,stamens,stigma
and style wither and
die
- 1) Fertilised
egg develops
into seed
- After
fertilisation:
- 1) Pollen
grains
germinate on
the stigma
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