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22 Cards in this Set
- Front
- Back
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Petals |
To attract insects |
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Anther |
Make pollen (male gametes) |
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Filament |
Holds up anther |
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Stigma |
Sticky end of the carpel which collects pollen from the other flowers |
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Style |
Holding up the stigma in the correct position |
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Ovary |
Contains ovules, which develop into seeds once fertilised |
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Ovules |
Contain the ova (female gamete) |
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Nectary |
Produce sugary nectar which attracts insects |
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Sepals |
Outer protective covering of the flower bed; can be coloured like the petals |
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Stamen |
Male part of the flower, made up of the filament and the anther |
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Carpel |
The female part of the flower |
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Pollination |
The transfer of pollen (male gamete), made in the anther, to the stigma, part of the carpel |
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Self pollination |
Plant uses self-created pollen to fertalise ova |
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Cross-pollination |
Plant uses pollen from other plants to fertilise ova |
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Examples of insect pollinated plants |
Daffodild, tulips, lillies |
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Example of wind pollinated plant |
Grasses |
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Size of petals (A) |
Insect: large to attract insects Wind: small |
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Colour of petals (A) |
Insect: brightly coloured to attract insects Wind: not brightly coloured |
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Nectary (A) |
Insect: present, nectar is a 'reward' for insects Wind: absent |
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Scent (A) |
Insect: usually scented to attract insects Wind: not scented |
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Position of stigma (A) |
Insect: enclosed within flower so that insect must make contact Wind: exposed to catch pollen blowing in the wind |
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Type of stigma (A) |
Insect: sticky so pollen grains attach from insects Wind: feathery to catch pollen |
