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bivalve    音标拼音: [b'ɑɪv,ælv]
n. 双壳贝

双壳贝

bivalve
adj 1: used of mollusks having two shells (as clams etc.) [synonym:
{bivalve}, {bivalved}] [ant: {univalve}]
n 1: marine or freshwater mollusks having a soft body with
platelike gills enclosed within two shells hinged together
[synonym: {bivalve}, {pelecypod}, {lamellibranch}]


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  • Bivalvia - Wikipedia
    The shell of a bivalve is composed of calcium carbonate, and consists of two, usually similar, parts called valves These valves are for feeding and for disposal of waste
  • Bivalves - Types, Examples, Characteristics, Anatomy, Diet, Habitat
    Bivalves are a group of freshwater and marine mollusks with bilaterally symmetric and laterally compressed bodies encased in a characteristic two-part shell They belong to the class Bivalvia, a term coined by Linnaeus (1758) from two Latin words, bis (two) and valvae (leaves of a door)
  • Bivalve | Definition, Characteristics, Species, Classification, Facts . . .
    Bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves
  • What is a bivalve mollusk? - NOAAs National Ocean Service
    What is a bivalve mollusk? Bivalve mollusks (e g , clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate
  • What Are Bivalved Animals and How Do They Live?
    Bivalves are classified within the phylum Mollusca, but they are distinguished by the lack of a defined head and the rasping tongue-like organ called a radula Their protective exoskeleton is composed of two lateral valves, typically made of calcium carbonate, which are joined along the dorsal edge by an elastic hinge ligament
  • Bivalves | Marvelous Mollusks — Museum of the Earth
    Bivalves are a diverse group of mollusks that includes clams, oysters, scallops, and mussels They have two shells and live in both freshwater and saltwater all over the world Bivalves are important to their ecosystems, and are also widely used by humans for food and other products
  • BIVALVE Definition Meaning - Merriam-Webster
    The meaning of BIVALVE is being or having a shell composed of two valves How to use bivalve in a sentence
  • Bivalvia | INFORMATION | Animal Diversity Web - ADW
    Also known as pelecypods, the approximately 15,000 species of this taxon are found in marine and freshwater habitats throughout the world A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body
  • What Are Bivalves? 5 Examples of These Amazing Creatures
    Bivalves are a type of mollusk They are part of the class Bivalvia inside the phylum Mollusca These animals are classified by a two-part hinged shell that is hard This shell covers an invertebrate, usually one that has a very soft body The shells are often round or oval
  • The Definition of Bivalve - ThoughtCo
    A bivalve is an animal that has two hinged shells, which are called valves All bivalves are mollusks Examples of bivalves are clams, mussels, oysters, and scallops Bivalves are found in both freshwater and marine environments





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