Mollusca - Wikipedia
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks [a] (/ ˈ m ɒ l ə s k s /). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. [5]
List of mollusks | Gastropods, Bivalves, Cephalopods | Britannica
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 …
Mollusk | Definition, Characteristics, Shell, Classification, & Facts ...
2024年11月11日 · Mollusk, 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
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 …
14.4: Phylum Mollusca - Biology LibreTexts
2022年7月31日 · Phylum Mollusca is a very diverse (85,000 species) group of mostly marine species. Mollusks have a dramatic variety of form, ranging from large predatory squids and octopus, some of which show a high degree of intelligence, to grazing forms with elaborately sculpted and colored shells.
Phylum Mollusca | manoa.hawaii.edu/ExploringOurFluidEarth
The phylum Mollusca is the second-largest animal phylum, with over 100,000 species. The molluscs include many familiar animals, including clams, snails, slugs, and squid, as well as some less familiar animals, like tusk shells and chitons (Fig. 3.51 A).
Mollusks - Earth.com
Mollusks, or Mollusca, are one of the earth's largest and most diverse groups of animals. Scientists estimate that there could be anywhere from 50,000 to 200,000 different species living today. In this guide to mollusks, we'll latch onto basic biology facts of this group.
Mollusk - Gastropods, Bivalves, Cephalopods | Britannica
2024年11月11日 · Mollusk - Gastropods, Bivalves, Cephalopods: Mollusks are primarily of separate sexes, and the reproductive organs (gonads) are simple. While some reproduce by parthenogenesis, most reproduction is by sexual means. Mollusks show diversity in habitats and feeding habits. Food may be various microorganisms, crustaceans, and fishes.
Mollusk Facts: Habitat, Behavior, Diet - ThoughtCo
2019年12月13日 · Most mollusks are marine animals that live in habitats from shallow coastal areas to deep waters. Most stay within the sediments at the bottom of water bodies, although a few—such as cephalopods—are free swimming. There are eight different broad categories of mollusks on our planet.