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Marine biology is both essential and inspirational to human life. The bodies of mollusks in particular allow them to live aboveground, underwater, or both, depending on the species. Readers will learn about the unique contribution oysters, squid, and slugs, all of which are different classes of mollusks, make to their habitats. Their diets, their vulnerabilities, what they leave behind, and what threatens them take shape on pages that depict what mollusks are through both stunning photography and highly organized prose.
Readers interested in expanding their knowledge of the animal world are introduced to the different types of mollusks in this accessible and engaging text that complements science curriculum topics. Basic facts about these fascinating sea creatures, which include snails, clams, mussels, squid, and octopi, are explored as readers learn about their nutrition needs, reproductive stages, and their life cycles. Creative design elements give readers a better idea of exactly what each kind of mollusk looks like. Helpful graphic organizers and fun fact boxes also add extra insight into this subject.
Dive deep into the world of mollusks with this comprehensive guide by Philip Henry Gosse. Published in the 1850s, "Natural History: Mollusca" offers a detailed exploration of various mollusk species, their biology, habitats, and significance in the natural world. Gosse's meticulous observations and insights make this book a treasure trove for enthusiasts of marine biology, zoology, and natural history.
The definitive resource on the biology and evolution of freshwater mollusks. There are more species of freshwater mollusks—well over 5,000—than all the mammal species of the world. Freshwater mollusks are also arguably the most endangered fauna on the planet. Yet few references exist for researchers, shell enthusiasts, and general readers who are interested in learning more about these fascinating creatures. In Freshwater Mollusks of the World, Charles Lydeard and Kevin S. Cummings fill that void with contributions from dozens of renowned mollusk experts. Touching on 34 families of freshwater gastropods (snails) and 9 families of freshwater bivalves (mussels and clams), each chapter prov...
Lucid line drawings and photos, 16 in fine color. Based on some 15 years of study and collection in both polar regions and most areas of the tropics and temperate zones. Detailed treatment is given on all known pelagic snails (aoubt 140 species) including: external anatomy, swimming and buoyancy mec
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 edition. Excerpt: ... (6) Columns for Discount on Purchases and Discount on Notes on the same side of the Cash Book; (c) Columns for Discount on Sales and Cash Sales on the debit side of the Cash Book; (d) Departmental columns in the Sales Book and in the Purchase Book. Controlling Accounts.--The addition of special columns in books of original entry makes possible the keeping of Controlling Accounts. The most common examples of such accounts are Accounts Receivable account and Accounts Pay...
Provides information about the physical characteristics, habits, and behavior of snails and such related species as clams, oysters, and cuttlefish.