Sexual Reproduction in Plants

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SEXUAL REPRODUCTION IN PLANTS

STAMEN (MALE REPRODUCTIVE PART)

Anther – contains pollen grains which produce the male gametes

Filament – the stalk that supports the anther

CARPEL (FEMALE REPRODUCTIVE PART)

Stigma – pollen grains attach here

Style – rod-like section which supports the stigma

Ovary – contains the female gametes (eggs)

(http://www.bbc.co.uk/bitesize/standard/biology/images/flower.gif)

Pollination – the transfer of pollen from the anther to the stigma, so that the male gametes can fertilise the female gametes in sexual reproduction

Cross-pollination – a type of sexual reproduction where pollen is transferred from the anther of one plant to the stigma of another

Self-pollination – occurs when pollen falls from the anther onto the stigma of the same flower. This reduces the chance of variation

INSECT POLLINATION

  • Brightly coloured petals, scented

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