Mollusca - Wikipedia
Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. They are highly diverse, not just in size and anatomical structure, but also in behaviour and habitat, as numerous groups are freshwater and even terrestrial species.
List of mollusks | Gastropods, Bivalves, Cephalopods | Britannica
2024年11月11日 · Mollusks are soft-bodied invertebrates 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, mollusks are one of the most diverse groups in the animal kingdom, with nearly 100,000
Mollusk - Definition, List, Examples, Characteristics, and Image
2024年4月30日 · Mollusks or Molluscs are a group of soft-bodied invertebrates distributed across marine, freshwater, and terrestrial habitats. They belong to the phylum Mollusca, the second largest after Arthropoda, with around 76,000 extant species worldwide, accounting for around 23% of all marine species.
20 Types of Mollusks: Species, Facts and Photos - TRVST
2024年2月13日 · Discover the varied types of mollusks and their ecological roles in this article, from pearl-producing oysters to the unique sea butterfly and even the venomous blue-ringed octopuses. Mollusks represent an incredibly diverse phylum in …
Mollusks Examples, Pictures & Facts, Different Types Of Mollusks
2023年1月12日 · Mollusks are a large and diverse group of animals that make up the phylum Mollusca. Mollusks range from small, worm-like animals that inhabit the mud of the sea bed, to cephalopods such as cuttlefish and octopuses, which are …
Classification and economic importance of mollusks | Britannica
mollusk, or mollusc, Any of some 75,000 species of soft-bodied invertebrate animals (phylum Mollusca), many of which are wholly or partly enclosed in a calcium carbonate shell secreted by the mantle, a soft covering formed from the body wall. …
Mollusk - New World Encyclopedia
The mollusks (American spelling) or molluscs (British spelling) are the large and diverse phylum (Mollusca) of invertebrates that includes a variety of familiar animals well-known for their decorative shells or as seafood.
What are Mollusks? (with pictures) - AllTheScience
2024年5月21日 · Mollusks (British spelling: molluscs) are a large and diverse phyla of invertebrate animals, featuring over 110,000 species. Their phylum name, Mollusca, means "thin-shelled," though many species lack shells entirely.
Mollusk Facts: Habitat, Behavior, Diet - ThoughtCo
2019年12月13日 · There are only three characteristics shared by all living mollusks: the presence of a mantle (the rear covering of the body) that secretes calcareous (e.g., calcium-containing) structures; the genitals and anus opening into the mantle cavity; and paired nerve cords.
11.8: Mollusks - Biology LibreTexts
Mollusks are invertebrates such as snails, scallops, and squids. Mollusks have a hard outer shell. There is a layer of tissue called the mantle between the shell and the body. Most mollusks have tentacles for feeding and sensing, and many have a muscular foot.
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