WebMollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (/ ˈ m ɒ l ə s k /).Around 85,000 extant species of molluscs are recognized. … WebThe most advanced molluscs belong to the class _______ (a) Amphineura (b) Cephalopoda (c) Gastropoda (d) Monopacophora Sol. (d) Monopacophora. Explanation: …
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WebAug 31, 2024 · The phylum Mollusk are soft-bodied invertebrates from the Mollusca phylum, normally entirely or partially confined in a calcium carbonate shell produced by a … WebMay 8, 2024 · The annelids traditionally include the oligochaetes, which include the earthworms and leeches, the polychaetes, which are a marine group, and two other smaller classes. The phyla Mollusca and Annelida belong to a clade called the Lophotrochozoa, which also includes the phylum Nemertea, or ribbon worms (Figure 15.1.2). india bill of entry form
Mollusk Definition, Characteristics, Shell, Classification, & Facts
WebMollusks. Mollusk, also spelled mollusc, any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body. Along with the insects and vertebrates, it is one of the most diverse groups in the animal kingdom, with nearly 100,000 (possibly as many as ... WebThe most advanced molluscs belong to the class _______ (a) Amphineura (b) Cephalopoda (c) Gastropoda (d) Monopacophora Sol. (d) Monopacophora. Explanation: Monoplacophorans are small and limpet-like, having a single, cap-like shell. Some organs (kidneys, heart, gills) are repeated serially, giving rise to the now falsified hypothesis that … WebJun 24, 2024 · Most of the reported species belong to the class Gastropoda (706 species), followed by Bivalvia (279 ... they are also called “Acephala” and can not be regarded as advanced molluscs. Read more. lms canadian royalties