Why do these seeds have spikes?

To stick to animals fur for seed dispersal

Parts of a flower - What does the stigma do?

It's sticky to catch grains of pollen

When a pollen grain fertilises an ovule

Parts of a flower - What do the petals do?

Colourful part, attracts insects

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Year 7 Ecosystems part 2

14 termsStudBud Administration70 plays

#biology #plant #reproduction

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Questions 14

Answers

1
Parts of a flower - what does the ovary do?
Produces the pollen grains
Produces the ovul
Protects the flower bud
Colourful part, attracts insects
2
Parts of a flower - What does the filament do?
Produces pollen, the male gamete
Holds up the stigma
Holds up the anther
Contains ovules, the female gamete
3
Parts of a flower - What does the anther do?
Colourful part, attracts insects
Protects the flower bud
Produces the pollen grains
Produces the ovule
4
Why do these seeds have spikes?
To stick to animals fur for seed dispersal
To look pretty and attract other plants or animals
To stop animals eating them
5
In pollination, pollen is transferred from the _______ to the ________
Anther, stigma
Anther, ovary
Stamen, ovary
Stigma, anther
6
Parts of a flower - What does the stigma do?
It's sticky to catch grains of pollen
Produces pollen, the male gamete
Holds up the anther
Contains ovules, the female gamete
7
What does a seed need to germinate?
water, warmth and carbon dioxide
water, oxygen & warmth
water & oxygen
water & warmth
8
How is this plant likely to be pollinated?
By animals
By other insects
By the wind
By bees
9
The joining of the pollen cell and the ovule is called?
Fertilisation
Ovulation
Gestation
Pollination
10
How are plants pollinated?
Two plants getting together
Wind
Insects/ pollinators
Under the ground
11
What is pollination?
When a pollen grain fertilises an ovule
An insect takes pollen from a flower
Where the stigma has pollen on it
When a pollen grain leaves the flower
12
Parts of a flower - What does the anther do?
Holds up the stigma
Produces pollen
Holds up the anther
Contains ovules
13
Parts of a flower - What do the petals do?
Protects the flower bud
Colourful part, attracts insects
Produces the ovule
Produces the pollen grains
14
Parts of a flower - what does the style do?
Contains ovules
Holds up the anther
Holds up the stigma
Produces pollen

Year 7 Ecosystems part 2 Flashcards | StudBud