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Why pollination has to occur ?...

Why pollination has to occur ?

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`**` Pollination is a pre - requisite for the process of fertilisation . Fertilisation helps in the formation of fruits and seeds.
`**` It brings the male and female gametes closer for the process of fertilisation.
`**` Cross - pollination introduces variations in plants due to the mixing up of different genes.
These variations help the plants to adapt to the environment and results in speciation.
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