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what is pollination?
the transfer of pollen grains from an anther to a stigma
what is fertilisation?
is the fusion of nucleus of male gamete with the nuclues of the female gamete to form a zygote
after fertilisation, what does ovary, ovule and zygote become?
ovary - fruit
ovule - seed
zygote - embryo
what certain conditions the seeds need to germinate?
1) water - to activate enzymes which digest stored food
2) oxygen - needed for the production of energy for germination
3) warmth - needed for the enzymes to work effectively