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1876
Plant Reproduction
Description
Leaving Certificate Biology Mind Map on Plant Reproduction, created by cian.buckley on 03/12/2012.
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biology
biology
leaving certificate
Mind Map by
cian.buckley
, updated more than 1 year ago
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Created by
cian.buckley
almost 12 years ago
718
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Resource summary
Plant Reproduction
Sexual
Flowers
produces male cells
pollen
formed in the anther of the male part
stamen
female cells
egg cells
formed in ovary of female part
carpel
cells join together
form seeds
Reproduction in Plants
Pollination
Transfer of pollen from the stamen (anther) of one plant to the carpel (stigma) of another
Fertilisation
Fusion of male gamete nucleus with the female gamete nucleus to form a zygote
Seed and Fruit Formation
Seed Dispersal
Germination
Pollination
Insect-pollinated
attract insects
large, colourful, scented petals
nectaries to produce nectar
pollen carried on insects
stamens/carpels
inside
Wind-pollinated
pollen carried in wind
much more pollen
stamens/carpels
outside
Fertilisation
occurs after pollen has landed on stigma of the carpel
pollen tube grows out of the pollen grain
grows down through the style of the carpel
tube enters ovary which holds the egg
male nucleus passes down through the pollen tube and fuses with the female egg nucleus
forms zygote
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