write functions of unical, nucellus, integument, micropyle, egg apparatus, poar nuclei.
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The micropyle helps in absorbing the water at the time of germination of the seed.
The tissue that makes up the greater part of the ovule of seed plants.
The integumentary system has many functions, most of which are involved in protecting you and regulating your body’s internal functions
the opening through which pollen nuclei enter the ovule.
The polar nuclei are the two nuclei situated at the central position of the embryo sac. They together fuse with the male nucleus other than the one who fuses the egg. After fusion the polar nuclei form endosperm which acts as the food supply unit for the seeds in dormancy.
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