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bivalves    音标拼音: [b'ɑɪv,ælvz]
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  • Bivalvia - Wikipedia
    Bivalves filter large amounts of water to feed and breathe but they are not permanently open They regularly shut their valves to enter a resting state, even when they are permanently submerged
  • 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 The valves are connected to one another at a hinge
  • 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)
  • What is a bivalve mollusk? - NOAAs National Ocean Service
    As filter feeders, bivalves gather food through their gills Some bivalves have a pointed, retractable "foot" that protrudes from the shell and digs into the surrounding sediment, effectively enabling the creature to move or burrow
  • 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
  • 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
  • What Are Bivalves? 5 Examples of These Amazing Creatures
    There are five main groups of bivalves; scallops, cockles, mussels, oysters, and clams While they are all bivalves, they each have unique properties and characteristics
  • Biology of Bivalve Molluscs
    Science of defining groups of biological organisms with shared characteristics and evolutionary relationships
  • Class – Bivalve (Clams, Oysters, Mussels, Scallops)
    Habitat: Clams, Oysters, Mussels and Scallops live in water (aquatic habitats) They are found in both saltwater (marine) and freshwater habitats Physical Traits: They have two flattened shells connected by a hinge – called the ligament, and kept closed by powerful muscles





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