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Biological activity (Jd)

Environment (J)
     Related Term (Associative): ; Areas and regions (V)
    Environmental phenomena (Jb)
    Living things (Jc)
         Use For: Organisms
         Related Term (Associative): Biology (Tpd)
    Biological activity (Jd)
        Aging (Biology) (Jdb)
             Use For: Ageing (Biology)
             Related Term (Associative): Physical condition (Mxb)
        Evolution (Jde)
        Food chain (Jdg)
        Reproduction (Biology) (Jdr)
        Animal behavior (Jdt)
        Plant activity (Jdx)
    Ecosystems (Je)
    Environmental quality (Jf)
    Natural resources (Jn)
         Use For: Earth resources; Resources