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EGGS OF INSECT
This eggs is centrolecithal and it is elliptical. It diameter is 2-3 mm.
It has two eggs membrane i.e. vitelline membrane and chitinous capsule.
The chitinous capsule has a minute pore, called micropile. The sperm enters through this micropile for fertilisation.
The yolk free peripheral ooplasm is called as periplasm.
economic importance
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Home assignment on phylum polifera
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