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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
    As a group, bivalves have no head and lack some typical molluscan organs such as the radula and the odontophore Their gills have evolved into ctenidia, specialised organs for feeding and breathing
  • 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?
    Beyond water purification, bivalve organisms serve as a foundational element in many food webs, providing food for crabs, fish, and birds Their shells also create complex reef structures, which provide habitat and shelter for other marine life
  • 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
  • The Bivalvia - University of California Museum of Paleontology
    The bivalve shell consists of two valves that are hinged dorsally, usually with shelly interlocking teeth (the hinge), and always with a horny ligament that connects the two valves along their dorsal surfaces and acts to force the valves apart
  • 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
  • Bivalve Facts and Species Information with Pictures
    Bivalves are creatures with two (2) shells (valves): The main body and internal organs of a bivalve are enclosed inside a hinged, two-part shell made of calcium carbonate Even though the valves can open, they are kept together by the hinge ligament and strong adductor muscles





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