{"thcode":2,"term":{"code":940,"name":"protists","parent":843,"scope":"Unicellular eukaryotes (organisms possessing nucleated cells) with affinities to both plants and animals. Classed in the Protista or Potoctista kingdom, they include protozoans, foraminifera, radiolarians, fungi and some algae."},"uf":[{"name":"foraminifera","usewith":false},{"name":"protozoans","usewith":false},{"name":"radiolaria","usewith":false}],"bt":[{"code":843,"name":"organisms","parent":1174,"scope":"Living individuals that grow, reproduce, and die."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":29,"name":"algae","parent":843,"scope":"Chlorophyll-bearing primarily aquatic nonvascular species that have no true roots, stems, or leaves; most algae are microscopic, but some species can be as large as vascular plants."},{"code":2278,"name":"environmental proxies","parent":734,"scope":"Biological, chemical, or physical features whose presence, characteristics, or behavior reflect environmental parameters of interest that cannot be readily or efficiently observed or measured directly."},{"code":735,"name":"microbiology","parent":650,"scope":"Branch of biology dealing with organisms too small to be seen without the use of a microscope."},{"code":738,"name":"micropaleontology","parent":861,"scope":"Branch of paleontology dealing with fossils too small to be seen without a microscope."}]}