Seed can be used as food throughout the year and also helps in raising the crop next year .
Seeds store enough food material in endosperm or in the cotyledons to nourish the seedlings .
Seed are the product of sexual reproduction which show mixing of genetic material and variation .
They are able to tolerate low and high temperature .
Seeds remain dormant to survive unfavourable condition and are able to germinate during favourable condition .
In comparison with spore the seeds are usually transformed into seedling faster due to the availablity of the larger food reserves in them .
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