B1.3.6 - Flowers and pollination Flashcards
Identify the missing label:
If pollen from a flower pollinates a different flower we call it…
cross pollination
Identify the missing label:
What is the function of the anther?
it produces pollen
Why are flower petals usually bright colours?
To attract insects/pollinators to them.
Thew female reproductive parts of a flower are called the…
carpel
Identify the missing label:
Identify the missing label:
What is the function of the style?
It holds up the stigma
Name the two methods by which plants can be pollinated.
By wind
By insects/animals
If pollen from a flower pollinates its own stimga we call it…
self pollination
Identify the missing label:
When pollen is transferred to the stigma it is called…
Pollination
Identify the missing label:
What is the female gamete in a flowering plant?
Ovules
Describe the flowers of wind-pollinated plants.
- Small dull petals.
- No nectar.
- Large amounts of pollen made.
- Pollen is very light.
- Anthers dangle out of plant to make easy for pollen to escape.
- Stigma hangs out of plant so can catch pollen easier.
Describe the flowers of a plant that is fertilised by insects.
- Brightly coloured, sweet smelling petals to attract insects.
- Some flowers make nectar which bees use to make honey.
- Small amounts of pollen are produced.
- Pollen is spiky so sticks to insects.
- Anther and stigmas are held firmly in flowers so insects can rub against them.
- Stigma has a sticky coating, so pollen sticks to it.
Identify the missing label:
What is the male gamete in a flowering plant?
Pollen
What is the function of the stimga?
It is the sticky part of the carpel that cathes grains of pollen.
Identify the missing label:
Identify the missing label:
Identify the missing label:
The male reproductive parts of a flower are called the…
stamen
What is the function of the filament?
It holds up the anther.
What is the function of the ovary?
It contains the ovules (female gametes)
