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diatom    
n. 矽藻类

矽藻类

diatom
n 1: microscopic unicellular marine or freshwater colonial alga
having cell walls impregnated with silica


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  • Diatom - Wikipedia
    A diatom (Neo-Latin diatoma) [a] is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world Living diatoms make up a significant portion of Earth's biomass
  • Diatom | Description, Characteristics, Reproduction | Britannica
    diatom, (class Bacillariophyceae), any member of the algal class Bacillariophyceae (division Chromophyta), with about 16,000 species found in sediments or attached to solid substances in all the waters of Earth
  • What are Diatoms? - Diatoms of North America
    Diatoms are algae that live in houses made of glass They are the only organism on the planet with cell walls composed of transparent, opaline silica, which forms intricate and striking patterns Why should I care?
  • Diatom Species: What They Are Why They Matter
    Diatoms are microscopic, single-celled algae found in nearly every aquatic environment on Earth, from oceans and freshwater lakes to moist soils These abundant organisms, often overlooked due to their small size, are a foundational component of many ecosystems
  • Diatoms – Definition, Structure, Life Cycle, Importance
    A diatom is a tiny, single-celled algae with a hard shell made of silica, found in oceans, waterways, and soil They play a crucial role in oxygen production, nutrient cycling, and the food web of aquatic ecosystems
  • Diatom - an overview | ScienceDirect Topics
    Diatoms are single-celled algae belonging to the group of eukaryotic phytoplankton that have existed for >180 million years Present in many areas of the world, they are particularly widespread at high latitudes and in coastal ecosystems rich in nutrients (Malviya et al , 2016)
  • DiatomBase
    Diatoms are found in marine, estuarine and freshwater ecosystems, inhabiting a wide range of environmental conditions Because they are found in almost any place that has, or has had, water, and due to their efficient photosynthetic processes, they are important players in the global cycling of carbon and oxygen
  • Diatoms - Jewels of the Sea | MarineBio Conservation Society
    Diatoms are unicellular organisms within the phylum Bacillariophyta, characterized by a bipartite silica shell called a frustule They possess chloroplasts containing chlorophylls a and c, enabling oxygenic photosynthesis akin to higher plants
  • Patterns and drivers of diatom diversity and abundance in the global . . .
    Diatoms constitute one of the most diverse and ecologically important phytoplankton groups, yet their large-scale diversity patterns and drivers of abundance are unclear due to limited
  • IDENTIFICATION GUIDE: fact sheet
    iophyceae (diatoms) Description: Diatoms are microscopic, unicellular organisms that have a c ll wall made of silicon dioxide For this reason, they are sa d to live in “glass houses ” There a e thousands of types of diatoms They exist in two general shapes: cigar or pen-shaped (called pennate) and disk drum-shaped





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