Sand dollars in the gonopore near the genital warts of long, slender feet, sperm and eggs to the sand surface, and to help increase the fertilization opportunities. Part of the sea urchin will fertilized egg on the circumference of the mouth or the circumference near the anal to the thorns to surrou

The money in a slender reproductive holes near the reproductive warts, the sperm and eggs to the surface, help increase opportunity fertilized. Part of the sea urchins will be fertilized eggs in the mouth of the anal canal, near or far, surrounded by thorns and protection of these eggs.

The low-quality copper coins have the tall and slender reproduction wart foot nearby the gonopore, delivers the sperm and the egg the sand surface, assists to increase the fertilization opportunity.The partial sea urchin can place the fertilized egg encircles the oral area or encircles nearby the an

Sha Qian near the hilum are genital warts of thin feet, take sperm and eggs to the sand, assisted fertilization in increasing opportunities. Parts of the Sea Urchin eggs in circumference near the mouth or peri-anal, thorn to surround and protect the eggs.

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