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radiolarian    
n. 散线虫类的各类动物

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  • Radiolaria - Wikipedia
    The Radiolaria, also called Radiozoa, are unicellular eukaryotes of diameter 0 1–0 2 mm that produce intricate mineral skeletons, typically with a central capsule dividing the cell into the inner and outer portions of endoplasm and ectoplasm The elaborate mineral skeleton is usually made of silica [1]
  • Radiolarian | Marine Protists, Plankton, Microscopic | Britannica
    Radiolarian, any protozoan of the class Polycystinea (superclass Actinopoda), found in the upper layers of all oceans Radiolarians, which are mostly spherically symmetrical, are known for their complex and beautifully sculptured, though minute, skeletons, referred to as tests
  • Radiolarians: Microscopic Marine Mysteries | AMNH
    Radiolarians, single-celled marine organisms with intricate silica skeletons, have existed for at least 550 million years and are found in all the world’s oceans
  • Radiolaria. org
    Radiolaria org is an online database containing information about radiolarians - fossil and recent, with images, descriptions, references, synonyms and links to other online resources more Radiolaria are holoplanktonic protozoa widely distributed in the oceans
  • Diversity and ecology of Radiolaria in modern oceans - PMC
    Radiolaria are well known for their paleontological signatures, but little is known about the ecology of modern assemblages They are found from polar to tropical regions, in the sunlit layers of the ocean down to the deep and cold bathypelagic
  • Radiolarians Species - Examples, Characteristics, Ecology, Microscopy
    Radiolarians species, members of the subclass Radiolaria, are single-celled eukaryotes commonly found in marine environments (with some being colonial) Although some of the species are restricted to a specific region, these organisms are widely spread in major oceanic ecosystems across the world
  • Radiolarian - an overview | ScienceDirect Topics
    Radiolarians are small marine organisms that graze on phytoplankton and organic detritus in oceans They have intricate siliceous shells, with the polycystine radiolarians being the ones that fossilize well and are commonly used in paleontological studies You might find these chapters and articles relevant to this topic
  • Radiolarians - Incredible Microplankton ~ MarineBio Conservation Society
    Radiolarians, also called Radiozoa, are unicellular eukaryotes typically 0 1–0 2 mm in diameter with elaborate siliceous skeletons divided by a central capsule into endoplasm and ectoplasm 1, 2 They drift as zooplankton and can be heterotrophic or mixotrophic when hosting photosynthetic symbionts 1
  • Radiolaria - Geology is the Way
    Radiolarians are single-celled protozoa, measuring less than 0 1 – 0 2 mm in diameter, that produce intricate shells (skeletons) of amorphous silica They float as part of the zooplankton in the first 200 meters of water in the Earth’s oceans (photic zone)
  • Radiolaria - New World Encyclopedia
    Radiolaria is a diverse grouping of amoeboid protozoa that produce intricate mineral skeletons, typically with a central capsule of cytoplasm separating the cell into inner and outer cytoplasmic portions, called endoplasm (with nuclei) and ectoplasm (or extracapsulum)





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