Phylum Mollusca Characteristics

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Which class of Mollusca is characterized by an elongate and dorsoventrally flattened body, reduced head and flattened foot, and a shell consisting of eight dorsal plates?

What is the function of the mantle cavity in Mollusca?

In which class of Mollusca is the coelom reduced to cavities around the heart, nephridia, and gonads?

In which class of Mollusca does respiration occur by gills and/or skin?

Which structure is usually present in Mollusca and used in scraping food?


Test your knowledge about the general characteristics of the diverse phylum Mollusca, which includes about 100,000 species ranging from giant squids to tiny garden slugs. Learn about their body structure, symmetry, and unique features such as the radula and mantle.

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