18.4 Rotifers (Phylum Rotifera) 16. Psnudocoel means \"talse body cavity.\" Why

Question

18.4 Rotifers (Phylum Rotifera) 16. Psnudocoel means "talse body cavity." Why is this term applied to the body cavity of rotifers? Food for Thought 17. Contrast the digestive systems of free-living and parasitic flatworms ?s. Explain the relationship between the tremendous numbers of eggs produced by flukes and tapeworms and the complexityof their life cycles 120 19. The relatively simple animals Hisdra and Duygesia can regenerate lost body parts, but humans generally can comparative levels of structural complexity of not. Discuss this in terms of tissue differentiation and the these organisms. 20. Search the World Wide Web for sites that include references to latworms or rotifers. List two add briefly describe their contents. http:// http:// 372 EXERC?SI 18

Explanation / Answer

Rotifers have psedocoel or the false body cavity in their gut that don't have epithelium lining of cell neither do they have mesentries. The pseudocoel is originated from the blastocoel region of the embryo and contains fluid in that cavity. This is basically made of amoeboid cells that are arranged in lose network of cells.

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