searcher: large metallic blue-green beetle that preys on caterpillars; found in North America
organism: a living thing that has (or can develop) the ability to act or function independently
closed universe: (cosmology) a universe that is spatially closed and in which there is sufficient matter to halt the expansion that began with the big bang; the visible matter is only 10 percent of the matter required for closure but there may be large amounts of dark matter