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A Check List and Synonym Key for the Phylum Porifera
A Check List and Synonym Key for the Phylum Porifera
Author: Tim Williams
Sponges are an ancient group of invertebrate animals whose basic body plan has remained unchanged for millions of years. There are no distinct organs or tissues, digestion is intracellular with excretion and respiration being by diffusion. The classification of sponges presents many problems because they share very few characteristics with other...  more »
ISBN-13: 9781847994646
ISBN-10: 1847994644
Publication Date: 1/10/2008
Pages: 384
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Publisher: Lulu.com
Book Type: Paperback
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