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foraminifera    
n. 有孔虫类

有孔虫类

Foraminifera
n 1: foraminifers [synonym: {Foraminifera}, {order Foraminifera}]


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  • Foraminifera - Wikipedia
    Foraminifera ( f ə ˌ r æ m ə ˈ n ɪ f ə r ə fə-RAM-ə-NIH-fə-rə; Latin for "hole bearers"; informally called "forams") are single-celled organisms, members of a phylum or class of Rhizarian protists characterized by streaming granular ectoplasm for catching food and other uses; and commonly an external shell (called a "test") of
  • Foraminifera - Smithsonian Ocean
    They are the shells of microscopic organisms called foraminifera, which build intricate shells from the calcium carbonate they collect while drifting through the water Their shells have settled on the seafloor for 500 million years, and are used by scientists to study the earth's changing climate
  • Foraminifera - The World Foraminifera Database - WoRMS - World Register . . .
    Foraminifera (‘hole bearers’), foraminifers or forams for short, are a large phylum of amoeboid protozoans (single celled) with reticulating pseudopods, fine strands of cytoplasm that branch and merge to form a dynamic net
  • Foraminifera : Paleontology, Distribution » Geology Science
    Definition and Overview: Foraminifera are unicellular eukaryotic organisms belonging to the phylum Granuloreticulosa They are typically found in marine environments, although some species can inhabit brackish water or even freshwater habitats
  • Introduction to the Foraminifera - University of California Museum of . . .
    Foraminifera (forams for short) are single-celled protists with shells Their shells are also referred to as tests because in some forms the protoplasm covers the exterior of the shell The shells are commonly divided into chambers which are added during growth, though the simplest forms are open tubes or hollow spheres
  • Foraminifera Species - Classification, Habitat and Reproduction
    First identified in the 5th Century, the Foraminifera species are single-celled protozoans commonly found in marine environments (some are much bigger in size) Despite being single-celled, microscopic organisms, Foraminifera species are characterized by the presence of shells known as tests
  • Foraminifera: Definition, Characteristics, and Importance
    Foraminifera are tiny, single-celled organisms with intricate shells called tests, made of calcium carbonate or agglutinated particles These marine microorganisms are essential in geology and environmental science, helping date rock layers, track climate changes, and monitor ocean health
  • Foraminifera - an overview | ScienceDirect Topics
    Foraminifera are enormously successful organisms and a dominant deep-sea life form These amoeboid protists are characterized by a netlike (granuloreticulate) system of pseudopodia and a life cycle that is often complex but typically involves an alternation of sexual and asexual generations
  • Foraminifera Introduction - SEPM Strata
    Foraminifera are single-celled organisms that evolve rapidly through time and are sensitive to depositional setting They are used to determine the ages of marine sedimentary sections, paleobathymetry, and other infor mation related to the depositional setting of sedimentary rocks
  • Foraminifera - New World Encyclopedia
    Foraminifera, abbreviated as forams, are single-celled amoeboid protists comprising the order Foraminiferida (or Foraminifera of supergroup Rhizaria), characterized by reticulating pseudopods and typically a shell





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