They are found in small clumps at the rocky bottoms of the sea floor where they marrow abuse the rich source of native phytoplankton as their first-string viands (Qian and Chia, 1990). The tube-like worms can behave social and stage immense reefs or indep reverseently build hollow tu bes in to the sandstone (pawlik and Chia, 1991). Embryos form a polar lobe that is absorbed in to the blastomeres at the end of division. larval development and movement follows shortly after the 14-15 second fecundation period where spiral cleaving of the fertilized oocytes appears (Render, 1983). Much is still non cognize about the invertebrate worm in their natural niche. The savvy of Saballaria cementari...If you want to get a full essay, range it on our website: OrderCustomPaper.com
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