这个词是什么意思？
A huge subclass of mostly marine CRUSTACEA, containing over 14,000 species. The 10 orders comprise both planktonic and benthic organisms, and include both free-living and parasitic forms. Planktonic copepods form the principle link between PHYTOPLANKTON and the higher trophic levels of the marine food chains.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D033342 · MeSH 2026。
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